greenhouse gas: any of the gases that trap the heat in the atmosphere and contribute to global warming
noun, the greenhouse gas are full of carbon dioxide
alternatives: An alternative plan or method is one that you can use if you do not want to use another one
noun, there's many alternatives
an aredesert: a, often covered with sand or rocks, where there is very little rain and not many plants
noun, the sahara desert is the greatest of the world
country: an area of land that has its own government, army, etc.
noun, there's 196 countries
endangered species: a species of animal or plant that is at risk of extinction
noun, the endangered species are more than i spect
global warming: the increase in the world's temperature caused by the increase of green house gases in the atmosphere
noun, the combat to the global warming is a top priority goal
untreated sewage: sewage that has not been processed to remove contaminants
noun, the bay was polluted with untreated sewage
solid waste: material such as household trash, food waste, yard waste, construction derbis, scrap metal and so on
noun, the solid waste are disposed of in a landfill
effect: the result of a particular influence
noun, the effect need a cause
overfishing: the act of catching too many fish so there are not many left
noun, overfishing is bad to the species
flooding: a situation in which an area is covered with water, especially from rain
noun, many cities in the world suffer floods
fossil fuel: a natural fuel, such as coal or oil, formed far underneath the ground and over millions of years from the remains of living things
noun, the mayor percent of the industries uses fossil fuel
acid rain: rain, snow, or sleet containing harmful chemicals from the burning of fossil fuels
noun, the acid rain is dangerous for the environment
planet: a celestial body distinguished from the fixed stars by having an apparent motion of its own (including the moon and sun), especially with reference to its supposed influence on people and events
noun, the planet is beautiful
deforestation: the act or process of removing all or most of the trees from a forest
noun, the deforestation is a big problem
air pollution: contamination of the air by smoke and gases
noun, air pollution is dangerous for the lungs
expanding: to increase in size, number, or importance, or to make something increase in this way
verb, expanding has many meanings
desertification: the process by which land changes into desert, for example because there has been too much farming activity on it or because a lot of trees have been cut down
noun, the sahara suffered a desertification
climate change: long-term changes in Earth's climate, such as rising temperatures and lower rainfall
noun, Climate change is very hostile
coastal flooding: when dry, low-lying land is flooded by seawater
noun, the coastal flooding of japan is a new of 2011