Epa Giải pháp thay thế & Đối thủ cạnh tranh
U.S. Environmental Protection Agency | US EPA.
Các lựa chọn thay thế & đối thủ cạnh tranh với epa.gov về nội dung, lưu lượng và cấu trúc
Department of Energy.
We provide science about the natural hazards that threaten lives and livelihoods; the water, energy, minerals, and other natural resources we rely on; the health of our ecosystems and environment; and the impacts of climate and land-use change. Our scientists develop new methods and tools to supply timely, relevant, and useful information about the Earth and its processes.
ACS is one of the world’s largest scientific societies and the premier home of chemistry professionals. Find career opportunities, educational resources and more.
U.S. Department of Commerce
As the nation’s health protection agency, CDC saves lives and protects people from health, safety, and security threats.
Homepage - U.S. Energy Information Administration (EIA).
EnergySage is the most trusted, transparent name in solar. Shop confidently and save thousands by comparing free, custom quotes online from local contractors.
National Renewable Energy Laboratory (NREL) Home Page | NREL.
ENERGY STAR is the simple choice for energy efficiency. For more than 20 years, EPA's ENERGY STAR program has been America's resource for saving energy and protecting the environment.
NASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research.
The National Park Service cares for special places saved by the American people so that all may experience our heritage.
USDA.
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MDPI is a publisher of peer-reviewed, open access journals since its establishment in 1996.
Advancing excellence, connecting chemical scientists and shaping the future of the chemical sciences for the benefit of humanity.
First published in 1869, Nature is the world’s leading multidisciplinary science journal. Nature publishes the finest peer-reviewed research that drives ground-breaking discovery, and is read by thought-leaders and decision-makers around the world.
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National Weather Service.
Weather Underground provides local & long-range weather forecasts, weather reports, maps & tropical weather conditions for locations worldwide
WHO's primary role is to direct international health within the United Nations' system and to lead partners in global health responses.
Official website of the National Institutes of Health (NIH). NIH is one of the world's foremost medical research centers. An agency of the U.S. Department of Health and Human Services, the NIH is the Federal focal point for health and medical research. The NIH website offers health information for the public, scientists, researchers, medical professionals, patients, educators,
Mayo Clinic - Mayo Clinic.
The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award-winning expertise in content, community services, expert commentary, and medical review.
We're committed to being your source for expert health guidance. Come to us in your pursuit of wellness.
YCharts.com is the premier web based financial research and analysis platform for asset managers and advisors. Build custom Model Portfolios and generate proposals for client communications.
The International Energy Agency works with countries around the world to shape energy policies for a secure and sustainable future.
Crude oil prices & gas price charts. Oil price charts for Brent Crude, WTI & oil futures. Energy news covering oil, petroleum, natural gas and investment advice
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Since 1974, SEIA has been the voice of solar energy in the United States. We work with our member companies to promote pro-solar policies and advocate for the growth of solar nationwide.
OSTI.GOV - OSTI.GOV is the primary search tool for Department of Energy science, technology, and engineering research informationfunded by the US Department of Energy and the organizational hub for the Office of Scientific and Technical Information. - search tool, Department of Energy science, Department of Energy technology, Department of Energy engineering, Department of Energy research information
The International Renewable Energy Agency (IRENA) is an intergovernmental organisation supporting countries in their transition to a sustainable energy future.
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SolarReviews is America's leading independent, unbiased, solar company and solar panel comparison website for homeowners considering installing solar panels on their homes.
Expert HVAC Resources – Help You Find the Best HVAC Systems - PICKHVAC.
Green Building Advisor is the one-stop source for builders, remodelers, architects & homeowners looking for expert advice on green products, strategies & proven construction details.
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SolarReviews is America's leading independent, unbiased, solar company and solar panel comparison website for homeowners considering installing solar panels on their homes.
Uses local climate data, your roof measurements, current local electric rates and current solar system cost to generate an accurate solar cost and savings estimate, customized for your home.
Sunrun is the leading home solar panel and battery storage company. Go solar for little to $0 down, lock in low energy rates. Get a quote today.
Go solar, reduce your energy bills and discover why SunPower is a world standard in solar solutions for homes and businesses
Welcome to A+E Networks EMEA is global broadcaster who reach audiences in over 100 countries, including the UK, Nordics, Benelux, Central & Eastern Europe, Spain, Italy and Germany, Africa, and the Middle East.
Search over 300,000 trails with trail info, maps, detailed reviews, and photos curated by millions of hikers, campers, and nature lovers like you.
We're here to help you dream up your next trip, figure out the details, and reserve experiences at over 3,600 facilities and 103,000 individual sites across the country.
Get the latest space exploration, innovation and astronomy news. Space.com celebrates humanity's ongoing expansion across the final frontier.
The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest library in the world, with more than 162 million items. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.
Space and astronomy news
The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space science.