This essay provides an overview of climate change, defining it as a shift in weather patterns coupled with changes in oceans, land cover, and polar ice. It identifies the sun as the primary energy source and discusses how greenhouse gases, particularly CO2 from fossil fuel combustion, disrupt the Earth's energy balance by trapping heat. The essay highlights the role of human activities since the industrial revolution in increasing greenhouse gas emissions and raising global temperatures, leading to rising sea levels and shrinking glaciers. It further elaborates on the adverse effects of climate change, including extreme weather events, food insecurity, and water scarcity. The essay concludes by advocating for changes in consumer and producer behaviors, increased use of green energy, afforestation, and improved land use to mitigate climate change, emphasizing the need for collective action to slow down or reverse its effects. Desklib offers a wide range of study resources, including past papers and solved assignments, to support students in their academic endeavors.