Union of Concerned Scientists
网页The Union of Concerned Scientists puts rigorous, independent science to work to solve our planet's most pressing problems. Joining with people across the country, we combine technical analysis and effective advocacy to create innovative, practical solutions for a healthy, safe, and sustainable future.
Benefits of Renewable Energy Use - Union of Concerned Scientists
网页2008年7月14日 · Renewable energy—wind, solar, geothermal, hydroelectric, and biomass—provides substantial benefits for our climate, our health, and our economy.
Coal Power Impacts - Union of Concerned Scientists
网页2017年11月15日 · Coal impacts: air pollution. When coal is burned it releases a number of airborne toxins and pollutants. They include mercury, lead, sulfur dioxide, nitrogen oxides, particulates, and various other heavy metals. Health impacts can range from asthma and breathing difficulties, to brain damage, heart problems, cancer, neurological disorders, and ...
UCS Satellite Database - Union of Concerned Scientists
网页2005年12月8日 · Assembled by experts at the Union of Concerned Scientists (UCS), the Satellite Database is a listing of the more than 7,560 operational satellites currently in orbit around Earth. Our intent in producing the database is to create a research tool for specialists and non-specialists alike by collecting open-source information on operational ...
What Is Sustainable Agriculture? - Union of Concerned Scientists
网页2017年4月10日 · An economically and socially sustainable agriculture system is one that enables farms of all sizes to be profitable and contribute to their local economies. Such a system supports the next generation of farmers, deals fairly with its workers, promotes racial equity and justice, creates access to healthy food for all, and prioritizes people and ...
Energy Storage - Union of Concerned Scientists
网页2015年2月19日 · Simply put, energy storage is the ability to capture energy at one time for use at a later time. Storage devices can save energy in many forms (e.g., chemical, kinetic, or thermal) and convert them back to useful forms of energy like electricity. Although almost all current energy storage capacity is in the form of pumped hydro and the ...
Fracking: Science, Policy, and People - Union of Concerned Scientists
网页2015年1月14日 · Fracking is a technique used to extract oil or gas from underground shale formations. A mixture of water, sand and chemicals is injected at high pressure into the rock, causing it to fracture (crack). This allows oil and gas contained in the rock to be recovered, often from sources that were previously inaccessible or uneconomical to explore.
How the Electricity Grid Works - Union of Concerned Scientists
网页2015年2月17日 · Learn how electricity gets from power plants to your house. An overview of the electricity grid, including its primary components, history, and future opportunities.
What Are Satellites Used For? - Union of Concerned Scientists
网页2014年2月13日 · Satellites are some of the best sources of data for climate change research. Satellites monitor ocean temperatures and prevailing currents; data acquired by satellite-borne radars were able to show sea levels have been rising by three mm a year over the last decade. Imaging satellites can measure the changing sizes of …
Vehicles, Air Pollution, and Human Health - Union of Concerned …
网页2014年7月18日 · The health risks of air pollution are extremely serious. Poor air quality increases respiratory ailments like asthma and bronchitis, heightens the risk of life-threatening conditions like cancer, and burdens our health care system with substantial medical costs. Particulate matter is singlehandedly responsible for …