India china already showing strong leadership to combat climate change un environment chief

I think there may be some misinformation here.

While India and China are indeed taking steps to address climate change, I wouldn't say they are showing "strong leadership" in this regard. Here's a more nuanced assessment:

India:

China:

United Nations Environment Programme (UNEP) Chief:

While both India and China are taking steps to address climate change, they still face significant challenges in reducing their greenhouse gas emissions and transitioning to a low-carbon economy. The United Nations Environment Programme (UNEP) continues to play a crucial role in supporting countries in their efforts to combat climate change.