«The ability to accurately estimate greenhouse gas sources and sinks is a prerequisite for international agreements or national emission reduction programs to be effective,» the academies said in a joint statement. (scientificamerican.com)
But even the first step of modeling the effects of greenhouse gas sources and sinks on future temperatures requires input from atmospheric scientists, oceanographers, ecologists, economists, policy analysts, and others. (science.sciencemag.org)
This share may seem relatively small — for perspective, electricity generation and home heating account for more than 40 percent — but aviation is one of the world's fastest - growing greenhouse gas sources. (scientificamerican.com)