Climate Change is now the challenging for the global as well as for the USA. The impact areas of climate change are major in the energy sector, water sector, agricultural sector and then the health sector. There needs to do better informing public and private awareness campaign and also decision making at all levels. Some key findings which are related with climate change and its impacts in the USA are increases in heavy downpours, rising temperature and sea level, rapidly retreating glaciers, thawing permafrost, lengthening growing seasons, lengthening ice-free seasons in the ocean and on lakes and rivers, earlier snowmelt, and alterations in river flows. These changes are needed to increase or grow. Second is Agricultural sector which is the major sector considered as one of the sectors most adaptable in climate changing. However, increased heat, pests, water stress, diseases, and weather extremes will pose adaptation challenges for crop and livestock production. There needs to change or reduce heat, weather extremes etc. for the favorable of agricultural works effectively. Third is Health sector which is the impacts of climate change related to heat stress, waterborne diseases, poor air quality, extreme weather events, and diseases transmitted by insects and rodents. These needs to change or reduce heat stress, waterborne diseases, increase fresh water quality in the air etc.
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