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sustainability (air pollution (air pollution can have different sources…
sustainability
air pollution
air pollution can have different sources such as cars
burning fossil fuel releases poison gasses such as co2
air pollution can cause cancer and global warming
ozone protects when it high in the atmosphere but poisons us when its low and near us
air pollution mixes with rain to make acid rain
cows release methane which is a greenhouse gas
if we conserve our resources then it will cause less air pollution
climate change
clobal warming is about the increasing temperature of the earth
earths climate changes naturally but humans are making it warm up faster
green house gasses such as carbon dioxide trap heat on earth
burning fossil fuels ads more carbon dioxide to earth
cutting down trees stops the earth from cooling down
global warming can cause bad weather and diseases but humans can still fix the problem
soil
soil is a mix of rocks and dead stuff
weathering and erosion break rocks into smaller peaces
soil contains humus (dead) and rocks which help plants grow
soil has different lairs top soil is most nutritious
plants can not grow in bed rock so we must take care of top soil
Natural resources
such as air water and soil
there are two types that are renewable and nonrenuable
renewable dose not mean it will never run out
we can conserve our resource by changing our habits
green house effect
there are gasses that make the earth warmer
earth warms and cools down naturally but too much gasses causes global warming
green-house gasses such as co2 and methane by humans is the main cause of global-warming
humans and their environment
conserving energy
recycling
population growth
