Write a 525- to 700-word response including:How scientists learn about

Write a 525- to 700-word response including:How scientists learn about

Write a 525- to 700-word response including:How scientists learn about past global temperatures and climates.The greenhouse effect.Greenhouse gases and their role in current climate change.One piece of data scientists offer to show that the climate is changing globally (see this NASA website: http://climate.nasa.gov/evidence/ ).Expected impacts of climate change in your area (this EPA website is very helpful: www3.epa.gov/climatechange/impacts/).