Environmental groups said on Thursday they planned to sue the U.S. Environmental Protection Agency for failing to regulate aircraft emissions after a 2016 agency determination that those emissions pose a danger to public health.
Japanese carmaker Mitsubishi is being probed by German prosecutors for suspected use of illegal defeat devices installed in its diesel engines, the Frankfurt prosecutor's office said on Tuesday.
German climate activists said on Wednesday they were suing Chancellor Angela Merkel's government over what they say is its insufficient action to tackle climate change, arguing that the failure contravened a constitutional right to "human dignity".
A group of young Americans suing the federal government over lack of action to fight climate change can proceed with their lawsuit, but President Donald Trump cannot be named as a defendant, a federal judge ruled on Monday.
Frankfurt, Germany's financial center, must ban highly-polluting, older diesel vehicles from the city center from next February as part of a plan to improve air quality, the country's administrative court ruled on Wednesday.
A group of U.S. states led by New York sued the Environmental Protection Agency on Wednesday, accusing Administrator Scott Pruitt of trying to illegally roll back limits on the use of climate change pollutants known as hydrofluorocarbons.
