What you can do on you daily life is:

● Turn of the lights when you go out of a room

● Turn of the air conditioning and use a fan

● Stop taking long showers

● Try to eat less meat

● Use renewable energy, solar energy

● Build nature again by planting plants

● We have to walk, bike or use a scooter instead of cars when you go not too far

● Us lease plastic and recycle it.

...

Maybe you have more ideas but try at lease those.

Moreover if you want you can talk about this problem to people around you to encourage them to help!