Warmer Temperatures-

As this is the major consequence that leads to most of the other problems in the list

 
Melting glaciers-
Less freshwater+less water to drink which means that we are running out of possibly the most important resource on the planet

 
Sea levels Rising-

Melting glaciers increases sea levels which ends in us losing land some countries like the Maldives are going to go completely underwater in just a few more years.

 
Ecosystems shift and species die out

This is very important as when species die out so do we it is said that when all the bees are dead within 5 years all of us will die too, there is something similar about salmon too.

 
More intense Rainfall

Many countries face floods that are devastating and most of the countries that face something like this are ill equipped which intensifies the problem as a lot of foreign aid which takes time to reach

 
More deadly droughts and wildfires

This destroys crops which destroys agricultre which is the backbone of most economies, especially economies in developing and under-developed countries where it is usually the main source of income.Ecosystems take years to build and a forest not only destroys trees it kill animals and also humans

 
Increase spreading of diseases-

This is one mof the worst things as it can destroy lives of many peole as seen in the recent ebola cris that took the lives of thousands and because it kills it destroys crops the economy and the main countries that diseases spread sre third world resulting more than that should have.

 
More dangerous and powerful hurricanes-

Although rare and uncommon it causes devastation that kills a lot of people like Louisana learned the hard way when hurricane Katrina hit them left devastation and took the lives of 1800 people

 
More deadly heat waves-

Although it is devasting it only happens only a selected region like the major heatwave that kills hundred of people in Rajasthan called loo it wipes out a hundreds of people in the region alone that leads to economic problems