Surprise! The island of Moorea, French Polynesia, is actually an extinct volcano. Coral reefs grew on its sides as it sank, and now they protect its beautiful beaches for free.
Sea the Seagrass
Fishermen love seagrass because fish love seagrass: it’s perfect nursery habitat. But in South Australia, losing seagrass can cost commercial fisheries a lot of money.
ROI: $10 Per Tree
What can Canberra’s urban forest do? Lots of things. To start with, 400,000 of its trees save $4,000,000… every year.