Spanish energy group Repsol pledged to reduce its net carbon emissions to zero by 2050 in a bid to battle climate change, a move it said would cut the value of its oil and gas assets by 4.8 billion euros ($5.3 billion).

Japan’s greenhouse gas emissions fell 3.6% to a record low in the year to March 2019, government figures showed, thanks to growing use of renewable energy and the gradual return of nuclear power as well as warmer winter.

Russian President Vladimir Putin on Monday formally launched the start of natural gas supplies to China via the Power of Siberia pipeline, a move he said would help trade between the two countries reach $200 billion by 2024.

U.S. President Donald Trump said he would restore tariffs on U.S. steel and aluminum imports from Brazil and Argentina, surprising officials in the two South American countries and prompting them to seek explanations.

A British biotech startup is developing a method of textile dyeing that taps into the bright colours of birds and butterflies and has micro-organisms recreate them on fabric, slashing the use of water and heavy chemicals in the process.

Russia’s MiG-31K interceptor jet carried out a test of the Kinjal (Dagger) hypersonic missile in Russia’s part of Arctic earlier this month, TASS new agency reported.

Europeans remain more sceptical than the Chinese when it comes to fighting climate change: 59% of Europeans see it as reversible, which is 21 points lower than in China (80%), a study by the European Investment Bank (EIB) showed.

Intensifying rivalry in the Arctic over global warming and access to mineral between the United States, China and Russia is increasing tensions in the region, Denmark’s Defence Intelligence Service said.

A study by environmental campaign groups highlights failures by governments to protect rivers and biodiversity and calls on the new EU Commission to end the “hydropower madness”. The study does not mention alternatives to hit the renewable energy targets.

An alliance of brands and retailers – including Nestlé, Unilever, REWE Group and Metro – transport industry players and NGOs have called on the new European Commission to set sales targets for zero-emissions trucks and vans.