The world’s oceans are becoming dangerously acidic. A controversial proposal would raise the pH — by mixing chemicals into the water.
The Trump administration said Wednesday that the United States was withdrawing from 66 international agreements, including a major climate change treaty.
The Trump administration said Wednesday that the United States was withdrawing from 66 international agreements, including a major climate change treaty.
The action could make it more difficult for a future administration to rejoin the Paris climate accord, the agreement among most nations to fight climate change.
After a 12-day crossing, and a hard slog through sea ice, the field work on this Antarctic expedition is ready to start.
Democrats demanded information from seven top U.S. oil companies about any meetings with the Trump administration regarding plans to control Venezuela’s oil industry.
Residues on arrow tips found in South Africa hint at how far back in history humans have been using poison for survival.
Now the government’s recommendation is to “limit” drinking, without specifying safe amounts for men and women. The guidelines no longer warn of risks like cancer.
Jawbones and other remains, similar to specimens found in Europe, were dated to 773,000 years and help close a gap in Africa’s fossil record of human origins.