Potential Tropical Cyclone Three is expected to begin weakening Saturday afternoon as it moves farther inland, the U.S. National Hurricane Center (NHC) said in an advisory.

LOS ANGELES (Reuters) -An extreme heat wave that has already shattered temperature records across the U.S. Southwest threatened on Friday to push power systems to the brink of failure as residents cranked up air conditioners.

Britain's water regulator on Friday threatened to act against water companies that do not have measures in place to monitor storm overflows during periods of heavy rainfall.

The northern Adriatic island of Krk, among the biggest in Croatia, looks headed towards energy self-sufficiency by the end of the decade in what environmentalists say is an example for the Mediterranean in transition to green and sustainable power.

MOSCOW (Reuters) -Authorities in Russian-annexed Crimea on Friday ordered the evacuation of parts of the city of Yalta after heavy rain caused major flooding on the Black Sea peninsula.

Potential Tropical Cyclone Three will likely strengthen and become a subtropical or tropical storm over the central or northern Gulf of Mexico later on Friday, the U.S. National Hurricane Center (NHC) said in its latest advisory.

Australia is considering listing koalas on the country's east coast as endangered, Minister for the Environment Sussan Ley said on Friday in an emailed statement.

An agreement by some or all of the Group of 20 countries on a flexible global carbon price floor would help limit global warning to 1.5 to 2 degrees Celsius, the International Monetary Fund said in a new staff paper released Friday.

The U.S. waste-management industry has become a darling of environmentally minded investors for its work in recycling trash and harvesting gases from landfills as an alternative fuel.

Salvador Parra, the manager of Burford Ranch in California's Central Valley agricultural breadbasket, is worried about the lack of water.