How Rising CO2 Levels May Contribute to Die-Off of Bees
As they investigate the factors behind the decline of bee populations, scientists are now eyeing a new culprit — soaring levels of carbon dioxide, which alter plant physiology and significantly reduce protein in important sources of pollen.
May 11, 2016
In the Pastures of Colombia, Cows, Crops and Timber Coexist
As an ambitious program in Colombia demonstrates, combining grazing and agriculture with tree cultivation can coax more food from each acre, boost farmers’ incomes, restore degraded landscapes, and make farmland more resilient to climate change.
March 14, 2014