Research shows abundance at sites in Europe has plunged by up to 80% in two decades

The equivalent of 11,000 new cases of childhood asthma a day occur worldwide due to toxic air from traffic, researchers say, while Canada has the third highest rate in the world, trailing only Kuwait and the United Arab Emirates. Toronto is also among the top 10 cities with the highest number of asthma cases among children.

“This Friday I can’t be there,” she told the Guardian. “So I will have to do it here in Davos, and send a message that this is the only thing that matters.”

Scientist Brad Lister returned to Puerto Rican rainforest after 35 years to find 98 per cent of ground insects had vanished