Climate change refers to long-term changes in temperature, precipitation, and other atmospheric conditions on Earth. It is primarily caused by human activities such as burning fossil fuels and deforestation, which release greenhouse gases into the atmosphere and contribute to the warming of the planet. Climate change is a global issue with far-reaching impacts, including rising sea levels, more frequent and intense extreme weather events, and shifts in ecosystems and wildlife habitats. Scientists, policymakers, and individuals around the world are working to mitigate the effects of climate change and adapt to its impacts.