Теория:

To speak about climatic problems, you need the appropriate vocabulary.
  
MOZ_200702_WFP-Michael_Huggins.jpg
  
Climatology - the ​scientific ​study of ​general ​weather ​conditions;
 
Climate- the weather conditions that an area usually has;
 
Ice age - a ​time in the past when the ​temperature was very ​cold and ​glaciers (= ​large ​masses of ​ice) ​covered ​large ​parts of the ​earth;
 
Glacial period - a ​time in the past when the ​temperature was very ​cold and ​glaciers ​covered ​large ​parts of the ​earth;
 
Climatic - relating to the weather conditions that an area usually has;
 
Implication - a result or effect that seems likely in the future;
 
Unprecedented - never having happened before;
 
Drought - a long period when there is no rain and people do not have enough water;
 
Greenhouse gas - a gas which causes the greenhouse effect, especially carbon dioxide (= a gas produced when carbon is burned) summit;
 
Industrialized - having a lof of industry;
 
Scaremongering - full of fear;
 
Emission - when gas, heat, light, etc is sent out into the air, or an amount of gas, heat, light, etc that is sent out.
 
Examples:
  
A severe drought ruined the crops.
  
This unusual warming of the Earth has been caused by greenhouse gases.
  
Carbon dioxide emissions will be reduced by 20%.
Источники:
www.wfp.org