Could we cure climate change? Geoengineering researcher Tim Kruger wants to try. He shares one promising possibility: using natural gas to generate electricity in a way that takes carbon dioxide out of the air. Learn more -- both the potential and the risks -- about this controversial field that seeks creative, deliberate and large-scale intervention to stop the already catastrophic consequences of our warming planet.

Can we cure climate change? I don't know, but we certainly can't if we don't try. We need ambition without arrogance. We need the ambition to restore the atmosphere, to draw down carbon dioxide back to a level that is compatible with a stable climate and healthy oceans.

This will be an enormous undertaking. You could describe it as a cathedral project. Those involved at the outset may draft the plans and dig the foundations, but they will not raise the spire to its full height. That task, that privilege, belongs to our descendants. None of us will see that day, but we must start in the hope that future generations will be able to finish the job.

Read the full article on possible climate solutions by Tim Kruger at TED