Ocean acidification is the ongoing decrease in the pH of Earth's oceans, caused by the oceans' absorption of atmospheric ...

Several nations held firm Friday in blocking proposals in the final stages of this year's U.N. climate talks because they failed to explicitly cite the burning of fuels such as oil, gas and coal as ...

Protesters gathered outside a new space at the talks, the industry-sponsored “Agrizone,” to call for a transition toward a more grassroots food system, even as hundreds of lobbyists for big ...