FAO says climate change main challenge to meeting food needs as world population grows

Climate change is expected to be one of the main obstacles to feeding the world population, which is probably to top 10 billion by mid-century, according to a report on Wednesday from the United Nations Food and Agriculture Organization (FAO).

Study: Plants can adapt to climate change

As temperatures rise, plants accelerate their metabolism. Climate scientists have worried that as metabolic rates kick into high gear, forests forgo their role as vital carbon sequestration systems and contribute to the planet's greenhouse gas problem.

Corals are already adapting to global warming (study)

Some coral populations already have genetic variants necessary to tolerate warm ocean waters, according to a study out Thursday that called for the spread of such genes to help corals survive global warming.