"Today is Earth Day and that reminds us that climate and the environmental emergency is still ongoing and we need to tackle both the corona pandemic... at the same time as we tackle climate."
Will we use the coronavirus experience as a wakeup call that we need to do things differently on so many fronts?
"Though it must be in a different way to how we have acted in this case, we can act fast and change our habits and treat a crisis like a crisis."
A growing number of countries are banning large public gatherings as part of efforts to curb the spread of the virus.
Several thousand people braved the rain in Brussels with the 17-year-old Swede, marching through the city that is home to the European Union's main institutions.
A specific characteristic of the joint project is that it will combine archaeological and environmental studies.
The study shows that, if the world warms too much, could lose most of the West Antarctic Ice Sheet, which rests on the seabed and is fringed by floating ice.
"We applaud Jeff Bezos' philanthropy, but one hand cannot give what the other is taking away," activist group Amazon Employees for Climate Justice said on Twitter.
'I believe that Tu Bishvat should be remodeled yet again to promote awareness and a call to action to protect our biosphere.'
What Israel – and the world – can learn from the Arava