Paris climate summit 2015
The idea is to cap the rate of global warming at 2 degrees Celsius - compared to the current 2.5 to 3.76 degrees Celsius.
This will be done by, among other things, reducing dependence on fossil fuels and shifting towards cleaner energies such as wind or solar power.
Every country will have to give their contribution to change the climate position and each should have their responsibility for the same.
news source:-the guardian