One of the nation's most ambitious and symbolic energy-efficiency programs is in New York City: a $20-million effort to cut the skyscraper's overall energy use by 38 percent
Concerns about global warming are driving new efforts to replace sooty indoor fires with clean-burning cookstoves
The fact that cities trap heat combined with global warming may mean greater increases in average temperatures and a loss of cooler nights
A new battery demonstrated a power output 10 times higher, for its size, than what is expected of a conventional rechargeable lithium battery
But climate change and exotic weeds may exacerbate the risk of catastrophic fires
With the added environmental stresses of climate change, prices of staple crops could double
Raising cattle and other livestock might prove key to combating the ongoing transformation of fertile fields into desert
