Track-9: Global Warming

hashtag#Global hashtag#warming is the defined as gradual increase in the hashtag#average hashtag#temperature of the hashtag#Earth's hashtag#atmosphere due to change in the Earth’s hashtag#climate. The increased volumes of hashtag#carbon dioxide and other hashtag#greenhouse gases released by the hashtag#burning of hashtag#fossil fuels, land clearing, hashtag#agriculture, and other hashtag#human activities, are believed to be the hashtag#primary sources of the global warming. Changes resulting from global warming may include rising hashtag#sea levels due to the hashtag#melting of the polar ice caps, increase in occurrence and severity of hashtag#storms and other severe weather events leading to hashtag#natural hashtag#calamities and hashtag#disasters.