melting iceberg on the ocean. global warming and climate change

melting iceberg ocean global warming climate change sea level rise polar ice caps arctic antarctic greenhouse gases carbon dioxide methane fossil fuels deforestation pollution temperature increase extreme weather drought flooding hurricanes typhoons cyclones acidification coral reefs marine life ecosystem biodiversity renewable energy solar power wind hydroelectric geothermal nuclear footprint sustainability conservation environmentalism activism paris agreement kyoto protocol cop26 ipcc nasa noaa unfccc green deal tax credits offsetting