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Eunice Newton Foote (July 17, 1819 – September 30, 1888) was an American scientist, inventor, and women's rights campaigner.She was the first scientist to confirm that certain gases warm when exposed to sunlight, and that therefore rising carbon dioxide (CO 2) levels could increase atmospheric temperature and affect climate, a phenomenon now referred to as the Greenhouse effect.
Earth constantly absorbs energy from sunlight and emits thermal radiation as infrared light. In the long run, Earth radiates the same amount of energy per second as it absorbs, because the amount of thermal radiation emitted depends upon temperature: If Earth absorbs more energy per second than it radiates, Earth heats up and the thermal radiation will increase, until balance is restored; if ...
The American Geophysical Union (AGU) adopted a statement on Climate Change and Greenhouse Gases in 1998. [13] A new statement, adopted by the society in 2003, revised in 2007, and revised and expanded in 2013, [14] affirms that rising levels of greenhouse gases have caused and will continue to cause the global surface temperature to be warmer:
Energy flows between space, the atmosphere, and Earth's surface. Most sunlight passes through the atmosphere to heat the Earth's surface, then greenhouse gases absorb most of the heat the Earth radiates in response. Adding to greenhouse gases increases this insulating effect, causing an energy imbalance that heats the planet up.
The greenhouse effect occurs when greenhouse gases in a planet's atmosphere insulate the planet from losing heat to space, raising its surface temperature. Surface heating can happen from an internal heat source as in the case of Jupiter , or from its host star as in the case of the Earth .
For example, climatologist Kevin E. Trenberth has published widely on the topic of climate variability and has exposed flaws in the publications of other scientists. [6] [7] [8] For past debates and controversies on scientific details see for example: History of climate change science#Discredited theories and reconciled apparent discrepancies ...
It's too cheap. Current gas and coal prices don't factor in the damage these fuels do to the environment, or to human health. If you don't make people pay for something, they won't have any incentive to change their behavior. It's simple economics. The good news is that the transition from dirty to clean energy is going to create jobs.
This is an accepted version of this page This is the latest accepted revision, reviewed on 9 December 2024. Gas in an atmosphere with certain absorption characteristics This article is about the physical properties of greenhouse gases. For how human activities are adding to greenhouse gases, see Greenhouse gas emissions. Greenhouse gases trap some of the heat that results when sunlight heats ...