Sydney on Tuesday announced its first major water restrictions in a decade, putting limits on homes and businesses amid a record-breaking drought.

Germany has in recent years polished its "green" image abroad, but the country was only recently forced to admit it will miss a self-imposed 2020 climate target.

As nuclear explosions go, the U.S. "Cactus" bomb test in May 1958 was relatively small -- but it has left a lasting legacy for the Marshall Islands in a dome-shaped radioactive dump.

Tens of thousands of young climate activists rallied across Europe Friday ahead of EU Parliament elections as part of protests worldwide demanding action against global warming.

Germany's biggest online stars closed ranks Friday around YouTuber Rezo whose rant against Chancellor Angela Merkel's party has gone viral, with an open letter urging Germans to shun her coalition's parties at EU elections over their climate failings.

Standing among sacks of used supermarket shopping bags, soft drink bottles and detergent containers, Evelin Marcele is scornful of Brazil's efforts to recycle plastic waste.

Rescue workers searched for survivors Thursday in the capital of Missouri after a deadly storm swept through parts of the central U.S., bringing dozens of tornadoes and causing flooding and significant damage to buildings. 

"We don't need advanced technology, Mother Nature has seaweeds and shellfish which sequester five times more carbon than land-based plants," said Bren Smith, winching a glistening haul of glossy brown kelp out of the sea.

President Rodrigo Duterte has ordered tonnes of garbage dumped in the Philippines years ago to be shipped back to Canada, his spokesman said Wednesday, escalating a festering diplomatic row.

The European Court of Justice threw out a landmark case brought by 10 families who sued the European Union over the threats climate change poses to their homes and livelihoods, lawyers said Wednesday.