A petition calling on the Belgian government to strengthen its climate policy has already been signed by 100,000 people.
Meanwhile, thousands of Belgian students will again be skipping class for the sixth week in a row.
They're also demanding a better climate policy.
Kevin Ozebek has more from Brussels:
Kenya's military chief among 10 killed in helicopter crash
Kenya's military chief, General Francis Ogolla, was among 10 people killed when their military helicopter crashed shortly after take-off on Thursday.
Security Council to vote on Palestinian UN membership
The UN Security Council is due to vote on Thursday on a Palestinian bid for full UN membership.
Toll from Russia's deadliest airstrike on Ukraine in weeks rises to 18
The death toll from a Russian airstrike on Chernihiv in northern Ukraine has risen to 18, officials said on Thursday, while another 78 were wounded when three missiles slammed into the city centre.
UNRWA chief warns man-made famine tightening grip across Gaza
A man-made famine is "tightening its grip" across the Gaza Strip, the head of the United Nations Palestinian refugee agency UNRWA warned on Wednesday as he accused Israel of blocking aid deliveries and seeking to end UNRWA's activities in the enclave.
Indonesian volcano eruption forces evacuations, airport closure
Indonesia shut a provincial airport and evacuated hundreds of people from the vicinity of the Ruang volcano after it belched explosive plumes of lava, rocks and ash for days, officials said on Thursday, declaring the highest alert on the situation.
