Speaking of environmental issues that you have already heard a lot about is air
pollution.
Air pollution is a very serious problem that make air you are breathing can killing
you or at least, it may exacerbate many already existing diseases such as asthma,
bronchitis and allergies. Pollution can damage to the immune system which can
make people more vulnerable to air pollution especially elderly and children are
the most vulnerable.
There are a lot of causes to air pollution but mostly it come from CO2 and other
harmful gas that vehicles and industries left.
To solve this problem, many people have come up with some solutions like:
Riding a bike or walking instead of driving, Taking a bus or carpooling, plant more
trees, ect may solve and bring air pollution to an end.