the result of a particular action or situation, especially a bad result

the result of a particular influence

a period of ten years, especially a period such as 1860 to 1869, or 1990 to 1999

when soil, stone, etc. is gradually damaged and removed by the sea, rain, or wind

to say that an event or action will happen in the future, especially as a result of knowledge or experience

a gradual increase in world temperatures caused by polluting gases

to make something happen, especially something bad

a general development or change in a situation or in the way that people are behaving

happening once every year, or relating to a period of one year

fuels such as gas, coal and oil that were formed underground from plant and animal remains millions of years ago

when gas, heat, light, etc. is sent out into the air, or an amount of gas, heat, light, etc. that is sent out

a large amount of water covering an area that is usually dry

a gas that causes the greenhouse effect, especially carbon dioxide

a part of a building or piece of land used for a particular purpose

a subject or problem which people are thinking and talking about

the way the Earth's weather is changing

something that is difficult and that tests someone's ability or determination

a large mass of ice that moves very slowly, usually down a slope or Valley

a long period when there is no rain and people do not have enough water

farming that provides enough food for the farmer and their family to live on but not enough for them to sell

when cows or other animals graze, they eat grass

the number and types of plants and animals that exist in a particular area

the air, land and water where people, animals and plants live

when all the trees in a large area are cut down