Atmospheric scientists show proposed 'geoengineering' effort to remove methane, a potent greenhouse gas, from the atmosphere could worse air quality while providing minimal climate benefits.
US greenhouse gas emissions and economic activity typically grow in tandem. But there are indications that the two are beginning to diverge, in an optimistic sign for the climate. For the second ...
Fans cool the greenhouse, remove excess humidity and exchange CO 2-depleted air ... It is also easier to install and clean, as the shutter is integral and on the indoor building side of the fan ...