Global Warming is a big unresolved problem for human. Global Warming caused climate change.

Unresolved Problems Essay
Global Warming is a big unresolved problem for human. Global Warming caused climate change. Climate change is changing our economy, health and communities in diverse ways. Scientists warn that if we do not aggressively curb climate change now, the results will likely be disastrous. Sea level rise is accelerating. The number of large wildfires is growing. Dangerous heat waves are becoming more common. Extreme storm events are increasing in many areas. More severe droughts are occurring in others.
Global warming is a long process of accumulation is due to carbon dioxide and methane and other greenhouse gases accumulate in the Earth's atmosphere , so that the heat of the sun does not go out and cause sporadic .