Subduction and volcanic emissions compose a long-term, slow cycle for carbon and these elements.
The continued belief that rising human numbers have no impact on the environment is misguided.
Overall, mosquitoes have been the deadliest predator of humans throughout history.
Overall, the energy used in BECCS adds about 30% to the carbon emissions to the atmosphere from burning biomass directly.
If Greenland were to melt completely, sea level would rise by about 7 meters (21 feet) flooding most coastal areas worldwide
When these forests are cleared, the lower rates of transpiration may lead to permanent reductions in regional rainfall, and slow recovery of the forest.
biofuels have had huge economic benefits to the agricultural sector, but they are associated with increased emissions of greenhouse gases to the atmosphere,
if we are serious about mitigating climate change, we must shift our attention to sources of energy that emit no greenhouse gases to the atmosphere
The hydrogen content of the atmosphere has increased 70% since the late 1800s,
A lot of the proven reserves of fossil fuels must remain in the ground—never to be exploited.