Renewable energy and the hydrogen economy get a boost from new invention.
How do current conditions compare to past predictions of the effects of global warming? Are living on a warming planet?
Suspect arrested, may be charged with trying to develop a dirty bomb. What is a dirty bomb, and how badly would it harm us?
African science produces cancer drug, dust, rain and desertification and linguist Joseph Greenberg.
Using butter to track worldwide concentrations of persistent organic pollutants, PCB, DDT.
Wolf returns to Yellowstone National Park through species reintroduction effort. Why bother bringing back native species?
Recycling paper and industrial waste (!) as fertilizer. Just because they call it recycling does not prove it’s a good idea…
Are synthetic chemicals causing hormonal chaos? Pesticides, PCBs, dioxins, plastics can all mimic natural hormones. What does the evidence say, and what should we do about it?
The Sacramento Municipal Utility District announced that it would buy enough solar panels to make 10 million watts of electricity. That’s enough to power about 3,000 customers during the day, when the sun is shining, and when the utility faces its peak demand.
Environmental Protection Agency proposes tighter rules on air pollution; do they make sense? How many people die during an outbreak of air pollution? What is PM 2.5, and why do your lungs care about it?