Search the Citizen
- Arizona earthquakes, 1852-2011, a video time line
- Precariously Balanced Rocks and earthquakes
- Activist group trots out tritium scare
- DVD Review: Amazing Earth Collection from the Discovery Channel
- The neighborhood Bob Cat and a Video
- Satellite temperature data versus carbon dioxide
- View historical stereograms of Arizona
- Urban Coyotes prowl Tucson neighborhoods
- Trends in groundwater levels around Tucson
- More evidence that current warming is not unusual
- Norwegian research shows that current warming is not unusual
- NOAA accused of fabricating temperature data
- Independent review: Deranged
- Obama, the Keystone Cop-out
- Warmer nights no proof of global warming
- Arizona Passion Flower
- Life on a dead saguaro
- Event: “Mineral Madness” at Arizona-Sonora Desert Museum
- Ice core bubbles and carbon dioxide
- Uranium mining ban near Grand Canyon all politics, no science
- Surprising Structure of the Copper Deposits near Green Valley, Arizona
- Saginaw Hill, another old mine in a Tucson area neighborhood
- Global warming and malaria, another myth debunked
- The Pontatoc mine in a north Tucson neighborhood
- Gold of Cañada del Oro and rumors of treasure
- Tilting at plastic bags
- A Desert Christmas cactus
- Agave, a plant of many uses
- A Short History of Mining Law
- The total result of the Durban climate change conference
