Europe's aviation sector laid out how it could eliminate its net carbon dioxide emissions by 2050, a commitment it said would depend on policy support to scale up sustainable fuels and breakthrough technologies.
Chinese President Xi Jinping says China will step up its efforts to peak carbon dioxide emissions by 2030 and fulfill its pledge to achieve carbon neutrality before 2060.
The world faces increased flooding, droughts and possible conflicts due to the effects of climate change on fresh water supplies drawn from mountains but is "woefully unprepared" to tackle these risks, experts said.
A climate scientist for the Trump administration's health protection agency who was ordered by his agency to drop work on climate issues will file a whistleblower complaint this week with the U.S. Office of Special Counsel, his lawyers said.
President Donald Trump's proposal to replace an Obama-era policy to fight climate change with a weaker plan allowing states to write their own rules on emissions from coal-fired power plants was criticized by coastal states, but applauded by coal interests on Wednesday.
Two dozen activists stormed a public hearing on Monday hosted by the Environmental Protection Agency to rail against its plan to lift Obama-era carbon limits on power plants, causing agency officials to leave the room until the demonstration ended.
