Future games will need to be held at higher altitudes, and spread over multiple venues in order to adapt to a changing climate, new research suggests.
The Environmental Protection Agency has stopped estimating the dollar value of lives saved in the cost-benefit analyses for new pollution rules.
Low clouds have lifted long enough for helicopters to ferry scientists and their gear to a fast-melting glacier on the edge of Antarctica.
Records show that Karen Budd-Falen, a top Interior Department official, didn’t disclose a contract between her husband and the developers of a mine approved by the agency.