Bloomberg outlines plans for cleaner buildings, cars

Democratic presidential candidate Michael Bloomberg would push for all new cars to be electric by 2035 and new buildings to produce zero carbon emissions by 2025 as part of clean energy plans he released this week.

Trump administration aims major rollback of landmark U.S. environmental law

The Trump administration on Thursday proposed greatly narrowing the use of one of the country"s landmark environmental laws, calling for changes that could allow projects ranging from oil pipelines to mines to move forward with far less federal review of their impact on the environment.

Thousands of koalas feared dead in wildfire-ravaged Australia

Thousands of koalas are feared to have died in a wildfire-ravaged area north of Sydney, further diminishing Australia's iconic marsupial, while the fire danger increased in the country's east on Saturday as temperatures soared.