Battling climate change: Five simple steps we can take to mitigate its impact Updated Feb 25, 2021 | 05:59 IST Human activities like mining, oil extraction, use of fossil fuels and deforestation have caused the release of a massive amount of greenhouse gases into our atmosphere making it warmer. The need of the hour is to replacing fossil fuels with renewable and clean sources of energy. | Photo Credit: iStock Images Key Highlights 16 of the 17 warmest years on record have been in the 21st century. Instead of questioning whether climate change is happening or whether is it real, the pertinent question to be asked now is what we can do to soften its impact.