How close are we to engineering the planet?
How whale 'poo-namis' may be able to suck down the planet's excess carbon.
Wait, isn't that the plot of 'Snowpiercer'?
And Ken Caldeira, the climate scientist who pioneered the research, fears its time is coming.
Scientists want to build two new laser-toting satellites: One that can grow cloud cover on Earth, and one that can blast greenhouse gases out of the sky.
The current state of geoengineering, as seen from the front lines of the first and biggest international conference ever held to examine the subject.
The world's first major international geoengineering meeting is now officially underway in Berlin.
'The Berlin Declaration' is one of the biggest signs yet that global climate engineering is making its way towards the mainstream.
A geoengineering experiment is underway, whether we like it or not.
From fertilizing oceans to messing with solar radiation, tinkering with Earth's systems may have predictable—and potentially horrible—side effects.