American Kestrel

Barn Owls

Cactus Wrens – Arizona’s very noisy state bird

Cactus Ferruginous Pygmy Owl

Cardinals, Pyrrhuloxias and a cameo appearance by Phainopepla

Crested Caracara

Curve-billed Thrasher – a bold and inquisitive bird

Gambels Quail

Gila Woodpecker

Great Horned Owl

Great Blue Herons in the desert

Great-tailed Grackle

Greater Roadrunner

Harris’ Hawks

Hooded Orioles

Mourning Doves

Nighthawks and Poorwills, birds of the night

Observations on Hummingbirds

Peregrine Falcons

Ravens and Crows

Red Tailed Hawk

The Three Accipiters

Thick-billed Parrots in Arizona

Vultures, the clean up crew

Western Screech Owl

Western Tanager – a flaming red-head

White-winged Doves


Coachwhip – a colorful snake

Desert Tortoise

Desert Box Turtles

Gila Monster

Gopher Snakes

Horned Lizard’s clever defenses


Metachromatic Spiny Lizards


Rattlesnakes combat dance

Spinytail Iguana


Black Bear


Creatures of the night – Ringtails

Creatures of the Night: The Bats of the Desert

Desert Museum gets new black bear

Desert Cottontails

Desert Squirrels

Ferocious Grasshopper mouse

Kangaroo rat

Kit Fox – another creature of the night

Mountain lion dietary supplementation plan

New Bighorn sheep lamb born at Desert Museum

New mountain lion takes over at the Desert Museum

Notes on Javelinas

Notes on Coatis

Pack Rats are Desert Archaeologists

Remember the Glyptodonts

River Otters in Arizona

Skunks of Arizona

Urban Coyote

Wolf attacks on humans in North America


Black Widow Spiders

Carpenter Bees – black and gold and smelling like roses

Desert Bees

Dragonflies and Damselflies

Giant Mesquite Bugs

Green lynx spider

It’s time for scorpions

Mist of the Sharpshooters

Palo verde root borers are emerging

Pepsis wasps have the most painful sting

Praying Mantis

The Cochineal, a little bug with a valuable product

The Gentle Desert Tarantula

The life of Walkingstick insects

The Sex Life of Bruchid Beetles

Venomous Centipedes and Cyanide-Oozing Millipedes

VinegaroonThe life of Walkingstick insectss and Sun Spiders

Western Honey Bees


Creature of the Night – Spadefoots

Sonoran Desert Toad


Are Mexican wolves in Arizona actually wolf-dog hybrids?

Some not so natural critters of Arizona

The Desert in Winter, what to look for

Thirteen venomous animals of the Southwestern desert.


A Boojum, definitely a boojum

Agaves provide food, fiber and adult beverages

Arizona Christmas Cactus

Arizona’s Wild Cotton

Beargrass and basketry

Brittlebush and chewing gum

Cactus water will make you sick

Chain-fruit and teddy bear cholla cactus

Chiltepin peppers, spice and medicine

Chocolate Flower

Creepy Creeping Devil Cactus

Creosote Bush

Desert Broom – another medicinal plant

Desert Mistletoe

Desert Ironwood

Desert Spoon (Sotol)

Desert Tobacco, a Pretty but Poisonous Desert Plant

Desert Willows provide emergency food and medicine

Devil’s Claw provides food, fiber and medicine

Guayacán a pretty flowering tree

Invasion of the Popcorn Flowers

Joshua Trees of the Mohave Desert

Life on a Dead Saguaro


London Rocket

Medusa’s Head a strange and useful plant

Mesquite trees provide food, fuel, medicine, and more

Mormon Tea – a widely used medicinal plant

Night-blooming Cereus cactus

Oak trees of the Sonoran Desert region

Ocotillo – an aide to hummingbirds and geologists

Palo brea trees and their uses

Palo Verde trees about to turn the desert golden

Passion Flower

Prickly Pear cacti – many varieties, many uses

Sacred Datura – pretty, poisonous, and hallucinogenic

Saguaro Cactus Icon of the Sonoran Desert

Senita and Totem Pole Cacti

Spectacular flowers of the red Torch Cactus

Staghorn and Buckhorn Cholla Cactus

The Jojoba bush and its valuable oil

Yuccas provide food, fiber, and soap


A Brief Geologic History of Arizona Chapter 1 Precambrian

A Brief Geologic History of Arizona Chapter 2 Cambrian and Ordovician time

A Brief Geologic History of Arizona Chapter 3 Silurian to Permian

Arizona Geological History Chapter 4: Triassic Period

A brief geologic history of Arizona Chapter 5: Jurassic Time

A brief geologic history of Arizona Chapter 6: Cretaceous Time

A brief geologic history of Arizona Chapter 7, the Cenozoic Era

Anatomy of the March 23 landslide in Washington

Arctic methane scare – cancelled

Arizona Geological Survey to inventory landslides in Arizona

Arizona was #1 mineral producer in 2014

Beneath the Tucson Valley

Breccia pipes of northwestern Arizona and their economic significance

Desert Varnish and its life forms

Geologic hazards in Arizona – Radon

Geologic History: PETM when it really got hot

Geologic Setting of Icelandic Volcanoes

Geology of Kitty Litter

Geology of Petrified Forest National Park

Ice Ages and Glacial Epochs

Interactive geologic map of Arizona

Manganese may be mined in Arizona

Mining stimulates Arizona economy

Mining lithium for batteries is no greener than mining copper

Miss Pickle was no lady

More perspective on Antarctica ice loss

Mystery of sliding rocks on Racetrack Playa

Old mines of the Tucson Mountains

Origin of the Grand Canyon and Lower Colorado River

Proper remediation of acid mine drainage

Reversal of Earth’s magnetic poles, another scary scenario

Rock Salt Deposits of Arizona

Saginaw Hill

Sedona’s Sinkholes

Some Surprises about the Copper Deposits near Green Valley

Sunset Crater – Arizona’s youngest volcano

Take a geology and logic test – Read the Rock

The I-10 copper deposit

The “Unstoppable Collapse” of the West Antarctic ice sheet

The old Jacobs tungsten mill in Tucson

The Siberian Crater – a Pingo is what done it

The Great Arizona-Sonora Earthquake of 1887

The Gold of Cañada del Oro

The Pontatoc mine lost in a north Tucson neighborhood

The Basin & Range Province of North America

Uranium mining ban near Grand Canyon all politics, no science

Volcanic rocks of “A” Mountain and Tumamoc Hill

When is a mine mined out?

Where the Next Big American Earthquake and Tsunami Might Occur

Yellowstone Supervolcano

Young Volcanic Fields of Arizona


EPA claims on dangers of particulate matter are false

U of A says Gold King Mine release will have no effect on lower Colorado River

Did the EPA cause the Colorado mine spill on purpose?

Economic consequences of EPA power plant regulations

Electric cars are neither green nor practical

EPA targets wrong cause of haze in Grand Canyon

EPA emission standards for trucks: heavy cost, no benefit

EPA says fracking does not harm drinking water supply

EPA conducted illegal and potentially lethal experiments on children

EPA targets wrong cause of haze in Grand Canyon

EPA’s own human experiments debunk health claims

EPA’s Clean Power Plan would disproportionally hurt the poor

Global warming may be an unintended consequence of the EPA rule on sulfur

Impact of new EPA ozone rule

Replace the Environmental Protection Agency

EPA’s Clean Power Plan would disproportionally hurt the poor

Global warming may be an unintended consequence of the EPA rule on sulfur

Impact of new EPA ozone rule

Replace the Environmental Protection Agency


“Risky Business” debunked

2014 was the third or sixth or 8000th warmest year

2014 the warmest? NASA now says never mind

A Very Brief History of Climate Change in the Sonoran Desert

A ship of fools in Antarctica

American Tradition Institute sues University of Arizona

Analysis of the National Climate Assessment Report

Arizona Daily Star alarmed that Arizona summers are hot

California drought caused by nature and politics

Carbon dioxide and the greenhouse effect

Celebrate Earth Day by tripling your carbon footprint

Claim: Arctic getting darker, making Earth warmer

Climate change in perspective

Climate science, perpetual motion and squirrels

Comments on the Pope’s Encyclical

Drought and predictions of doom for the Southwest

Economists say it is okay to lie about climate change

Evidence that CO2 emissions do not intensify the greenhouse effect

Failure of climate models shows that carbon dioxide does not drive global temperature

Global warming and the Polar Vortex

Global Warming “Lost Pause” Update

Global warming may be an unintended consequence of the EPA rule on sulfur

Global Warming Still Hiding

Government climate science versus reality

Greenland surprises

Gulf Stream Slowing – just another unfounded climate scare

Holes in the Ozone Hole Hypothesis

Ice core bubbles and carbon dioxide – the Gospel according to AGW

IPCC scary stories and a dose of reality

Megadroughts and the Arizona Daily Star

Montini versus Ducey on climate change

National Climate Data Center adjusts data to erase warming pause

New paper on Earth’s albedo has some surprises

New NOAA data show cooling trend for last 10 years

NOAA data show an 18-year cooling trend in US

NOAA can’t find link between global warming and extreme weather

NOAA caught committing fraud in Congressional testimony about ocean acidification

Obama’s Climate Action Plan is Clueless and Dangerous

Polar Bear Population on the Rise Again

Political correctness and your carbon footprint

Predictions of an ice-free Arctic Ocean

Satellite data show that CO2 has almost no effect on global warming

Scientists claim to have directly measured carbon dioxide warming the Earth

Shrinking goats get researcher’s goat

Sierra Nevada snowpack – the larger picture

Solar cycle changes indicate a cooling period ahead

Some basic facts on carbon dioxide and climate

Study shows that greenhouse gas induced warming decreased in last 14 years

Study shows current warming not unprecedented

Surprising results from NASA’s Orbiting Carbon Observatory

The Bankruptcy of Climate Science

The Stadium Wave Hypothesis

The Gore Effect

The Walrus and the Warmists

The Eocene climatic optimum

The Myth of Ocean Acidification by Carbon Dioxide

The 97 percent consensus of human caused climate change debunked again

The ocean ate my global warming – part 1

The ocean ate my global warming – part 2

The past is getting cooler

The Sea Level Scam

UN IPCC Synthesis Report is a pack of lies

University of Arizona predicts that climate will change, proposes plan

University of Arizona Researchers Use Citizen Poll To Justify Climate Policy

Violence and temperature

Wacky Geoengineering Schemes to Control Climate

What keeps Earth warm – the greenhouse effect or something else?

White roofs, global warming, and unintended consequences

Wildfires and Warming – It’s complicated


An example of misleading headlines in medical research

Ancient potion kills superbug MRSA infections

Arizona Monsoon

Be wary of statistical traps

Cold Case: What Killed the Mammoths?

Data presentation in Santa Catalina Mountains plant study misleading

Don’t leave children or pets in a parked car

Forest thinning may increase runoff and supplement our water supply

Genetically modified food, nothing to fear

GMO modified rice eliminates methane emissions and increases nutrition

Habitat niche modeling, predictions of extinction, and a dose of reality

How Radiocarbon Dating Works

Hype about Mercury in the oceans

Jaguars and junk science

On Gaia, A Critical Investigation of the Relationship between Life and Earth

On Consensus in Science

The Pristine Myth

The Origin of Vaccine Fears

Thought to be extinct

USGS claims that mercury and selenium are accumulating in the Colorado River

What the Arizona Daily Star left out of the Condor-DDT story


2014 or 1984?

Bloomberg versus the Second Amendment is not a zero sum game

Climate and Communism

Could storm water runoff be used to recharge our aquifers?

County economic plan lacks necessary maps

Endangered species listings based on questionable science and lack of independent review

Environmental Sophistry

Enviros are watermelons

ESA could halt American energy boom

Export-Import Bank represents crony capitalism

Free the Land from the Feds

Happy birthday soon America, but we still have some complaints

Has the Fourth Amendment been repealed?

How is the Tucson Water Conservation Fund Money Spent?

How NEPA crushes productivity

IRS versus the Tea Party

Last American lead smelter closing

Mining royalties, another bad, job-killing idea from Raul Grijalva

Obamacare sticker shock

Observations on Tucson’s $33 million budget deficit

Our Unsecured Border

Permitting, Economic Value, and Mining in the United States

Pima County still trying to scuttle Rosemont mine

Pima County bond election – Vote NO on proposition 430

Pima County spins its politically correct environmental programs

Plymouth colony tries and rejects collectivism

Pygmy owls and property rights

Raul Grijalva on witch hunt for climate skeptics

Reclaiming Americanism and the Constitution

Replace the Environmental Protection Agency

Rosemont and some troublesome cats

Rosemont and the Cuckoo scam

Sagebrush Rebel by William Perry Pendley

Should we amend the Constitution to balance the federal budget?

Sustainability indoctrination invades our colleges

The Flaws in the Endangered Species Act

The Contract with America

The Real State of the Union – 2014

The Collectivist Mind

The dark side of Common Core Standards for education

The great budget end game ploy

Top UN official admits climate change is about transforming world economy

VA too busy being green to care for veterans

Whatever happened to Pima County’s Sonoran Desert Conservation Plan?

Your taxpayer dollars at work and play


A New Type of Molten Salt Nuclear Reactor

American Energy Renaissance Act

Avian mortality from solar farms

British study shows wind power generates only 2 percent of rated capacity

Cryogenic fracturing of shale to recover oil and gas

Economic consequences of EPA power plant regulations

Electric cars are neither green nor practical

EPA says fracking does not harm drinking water supply

EPA targets wrong cause of haze in Grand Canyon

Ethanol mandate fails economically and environmentally

Federal energy hypocrisy

Five reasons Arizona should repeal its renewable energy standards mandate

German wind power fails

Highly Touted Green building is an energy hog

IER documents Obama administration actions that increase energy costs

Impact of new EPA ozone rule

Impact of Solar and Wind Electricity Generation

Is a proposed Tucson Metropolitan microgrid of solar energy feasible and cost effective?

Ivanpah solar plant wants to burn more natural gas

Ivanpah solar seeks government grant to pay off government loan

Just the Fracks book review Myths about hydrofracking

Obama Crony Capitalism and Green Tech Failures

Pima County Solar Project with Solon raises some questions

Pima County’s Solar Power Math

Prairie Chickens versus Wind Turbines

Renewable energy causes electricity cost to skyrocket Luis to get $1.5 billion wind/power generator

San Luis solar downdraft tower – Updates and Corrections

Sierrita natural gas pipeline controversy in Altar Valley

The effect of wind turbines on human health

The Price of Obama’s New Carbon Dioxide Emission Rules

The Clean Coal Scam

The green dream in Europe turns black as renewable energy fails

The “Social Cost of Carbon” Scam

Top Google Engineers Say Renewable Energy ‘Simply won’t work’

UN admits that growing crops to produce biofuel is bad for environment

Wind turbine farm proposed for Willcox area


Steel wool keeps mice out of the garage

Stories of Murder and Mayhem

Clean Tarnished Silver and Copper the Easy Way

Content bias at the Arizona Daily Star

Federal dietary recommendations may increase greenhouse gas emissions

Is TUSD a victim of victimhood?

Recycling a Dead TV

Save the Dragons

Scam alert – fake Walgreens call

Sell more State Trust Land to help fund schools

State Educational Trends

The Michigan Left at Grant and Oracle

Will the Tucson modern streetcar be a money pit?

Murder they wrote

The Corpse in the Cactus