If you need a time frame, let’s say 25 years.
EDIT: my question is plural, but of course it’s fine to give a single species if you know of one
If you need a time frame, let’s say 25 years.
EDIT: my question is plural, but of course it’s fine to give a single species if you know of one
Algae. It makes more than half of our breathable oxygen, some studies say up to 70ish%.