As the human population continues to grow and consumerism shows no signs of abating, the technosphere expands, causing pollution, contamination and resource depletion, further upsetting the delicate natural balance that keeps our planet habitable for humans and other life forms.

Slow clap.

Geoengineering to combat climate change is largely untested. Because we've stalled so long on reducing carbon emissions and still aren't doing enough, we may have to consider it. What will that mean?