World Environment Week 2021 “Ecosystems”, the main focus for 2021 World Environment Day, are vital for human welfare and survival, as they provide us with essential products and benefits. Over 90% of our food comes from terrestrial ecosystems, which also provide energy, building materials, clothes, medicines, fresh and clean water, and clean air. As a nation and community, we can grow trees, green our cities, rewild our gardens, change our diets and clean up rivers and coasts. We are the…