ent Spring I. iscuss Issues On Environment Global warming Global warming is the gradual increase of the temperature of the earth's lower atmosphere as a result of the increase in greenhouse gases Some longer-term results of global warming include melting of polar ice, with a resulting rise in sea level and coastal flooding; disruption of drinking water supplies dependent on snow melts; profound changes in agriculture due to climate change Among factors that may be contributing to global warming are the burning of coal, petroleum products, and deforestation W B T LE To be continued on the next page.W B T L E Lesson 11 – Silent Spring To be continued on the next page. Global warming Global warming is the gradual increase of the temperature of the earth's lower atmosphere as a result of the increase in greenhouse gases. Some longer-term results of global warming include melting of polar ice, with a resulting rise in sea level and coastal flooding; disruption of drinking water supplies dependent on snow melts; profound changes in agriculture due to climate change. Among factors that may be contributing to global warming are the burning of coal, petroleum products, and deforestation. I. Discuss Issues On Environment