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A greenhouse gas (sometimes abbreviated GHG) is a gas that absorbs and emits radiant energy within the thermal infrared range, causing the greenhouse effect. The primary greenhouse gases in Earth's atmosphere are water vapor (H 2 O), carbon dioxide (CO 2), methane (CH 4), nitrous oxide (N 2 O), and ozone (O 3).Without greenhouse gases, the average temperature of Earth's surface would be about. The Political History of Cap and Trade How an unlikely mix of environmentalists and free-market conservatives hammered out the strategy known as cap-and-trade. Residential contribution to air pollution–associated health impacts is critical, but inadequately addressed because of data gaps. Here, we fully model the effects of residential energy use on emissions, outdoor and indoor PM2.5 concentrations, exposure, and premature deaths using updated energy data. We show that the residential sector contributed only 7.5% of total energy consumption but. How Air Pollution Is Being Turned Into Ink. where the best ideas for improving our world each can win $25,000. How ancient astronomy mixed science with mythology, Video Story. Science News features daily news articles, feature stories, reviews and more in all disciplines of science, as well as Science News magazine archives back to 1924. The World Health Organization says seven million premature deaths resulted from air pollution exposure (inside and outside) in 2012. Dirty air, WHO says, is the world's largest environmental. Citations. Friedlingstein et al. Global Carbon Budget 2020. Earth System Science Data.Vol 12, December 11, 2020, p. 3269. Doi 10.5194/essd-12-3269-2020. A. Turner et al.Observed impacts of COVID. Pollution is the process of making land, water, air or other parts of the environment dirty and not safe or suitable to use. This can be done through the introduction of a contaminant into a. National Geographic stories take you on a journey that’s always enlightening, often surprising, and unfailingly fascinating. That year, pollution in China was linked to 1.8 million deaths, and pollution in India was linked to 2.5 million deaths. But air pollution is also killing people in the United States. More than.