World Soil Day

Plants nurture soil-living organisms — only 1% of these soil microorganisms having been identified to date (compared to 80% of plant species). This vast world constitutes soil biodiversity — 25% of the planet’s biodiversity — and determines the...

Earth Hour

Started by WWF and partners as a symbolic lights-out event in Sydney in 2007, Earth Hour is now one of the world’s largest grassroots movements for the environment. Held every year on the last Saturday of March, Earth Hour engages millions of people in more than...