TechnologyWe don't need 'miracle' green technologies to save the planet A focus on revolutionary solutions like carbon capture and geoengineering is slowing the uptake of existing answers to the problems of climate change, air pollution and energy security, says environmental engineer Mark JacobsonComment
EarthEarth's 'geological thermostat' is too slow to prevent climate change Rock weathering has helped keep Earth’s climate relatively stable for millions of years, but the process isn't fast enough to keep up with human carbon emissions News