Question

What are the negative effects of global warming

Answer 1

ozone depletion
disturbed composition of air
increase in the level of CO2
decrease in the level of O2

Answer 2

Melting glaciers

ozone depletion

Rising sea levels

rising temperatures

changing precipitation patters(more rain)

Arctic animals will be driven to extinction

hotter days

More storms

Droughts and heat waves ( Australia is going through one right now)

Hurricanes will become stronger and more intense

you can read more about it on: https://climate.nasa.gov/effects/

Hope this helps :)