During the recent warmest decades on record, Earth suffered under the highest CO2 levels of the last 800,000 years. Life on Earth responded to this devastating situation by — flourishing. There are now some 4 billion...
Increasing CO2 makes life easier for plants that live in hot dry places. Thanks to satellites we know the world has “greened up” since 1980, but we were not sure how much of that was due to the fertilizing effect...