22 April is International Earth Day and this year will mark the 50th Anniversary.
The theme for Earth Day 2020 is climate action. The enormous challenge, but also the vast opportunities, of action on climate change have distinguished the issue as the most pressing topic for the 50th anniversary.
Climate change represents the biggest challenge to the future of humanity and the life-support systems that make our world habitable.
To learn more about International Earth Day, please visit their official website.