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To speak about climatic problems, you need the appropriate vocabulary.
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%.
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