Landscape evolution in SE Arizona – a river runs through it » Stream capture
Search the Citizen
- Big Wind gets “get out of jail free card” from Obama Administration
- “Cooking” Consensus on Climate Change
- Another Obama scandal may be brewing at the EPA
- Assertive headline mis-characterizes the reality of a medical research study
- Mineral potential of the proposed Sonoran Desert Heritage Area
- Carbon dioxide temporarily tops 400ppm, so what?
- Wolf attacks on humans in North America
- How NEPA crushes productivity
- Cooper’s Hawks – swift predators
- “Journey of the Universe” and “Journey of the Universe Conversations” – DVD Review
- Rate of sea level rise is controlled by natural oscillations
- The Great Horned Owl
- Global temperature continues divergence from model predictions
- Help restore the Lowell Observatory Clark telescope
- Life before Earth
- Methane hydrates could fuel the world
- Wind turbine farm proposed for Willcox area
- Grijalva’s anti-jobs bills
- The economic impact of Arizona’s renewable energy mandate
- New giant tarantula found in Sri Lanka – Video
- The dark side of Common Core Standards for education
- Hansen – burning coal prevented global warming
- The next great alternative energy scheme – a giant downdraft tower in Arizona
- Giant crack opens in northern Arizona on the Navajo Reservation
- Tucson’s plastic bag brouhaha and a stupid study imposed by the city council
- New scorpion species found in Santa Catalina Mountains near Tucson
- The hypocrisy of Obama’s energy boasts
- Coronal mass ejection from the Sun headed toward Earth
- Cattle grazing may restore grasslands and reverse desertification
- Some really big sink holes from around the world
