The United States and China adjourned a new round of bilateral talks in Washington DC last week with the vague outline of a climate partnership. But the
US funding for hydrogen-fuelled transportation research got a boost on 17 July as the House of Representatives voted to restore $85 million to the research budget. The administration of President Barack Obama had proposed cutting the funds altogether.
Farmers in the Ethiopian village of Adi Ha have been busy sowing fresh crops of grain in recent weeks, as is customary when their maize crops struggle because of drought. But this year, they have a second backstop against hunger: insurance.
With their focus on greenhouse gases, atmospheric scientists have largely overlooked lowly soot particles. But black carbon is now a hot topic among researchers and politicians. Jeff Tollefson investigates.
Modern refrigerants designed to protect the ozone layer are poised to become a major contributor to global warming because of their future explosive growth in the developing world, scientists report this week.
International climate negotiators muddled through the latest round of global-warming talks in Bonn, Germany, last week, overshadowed by independent bilateral negotiations in Beijing between the United States and China. Neither meeting produced any significant breakthroughs, and new disagreements seem to have outnumbered resolutions by a wide margin.
The state of California has adopted regulations to curb greenhouse-gas emissions from transportation fuels, codifying evidence that biofuels are significantly dirtier than they were once thought to be.
