What are the key problems facing the world’s cities in the 21st century and what can be done about them?

It is irrefutable that one of the ongoing humungous crises to the world is global warming.

This

situation creates plenty of severe consequences. In the following paragraphs, both causes of

this

topic and some sensible solutions will be discussed in

details

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. The weather's fluctuation, wildfires, floods, drought, and many other natural disasters are all originated from global warming which is believed that

this

phenomenon is the effect of the increase in

carbon

dioxide

emissions. Through these situations, all people in the world are suffering and miserable. To demonstrate, Billy, one of my friends, has lost his accommodation during the enormous flood in China. It is claimed that

this

flood is the biggest disaster in China during the past ten years.

Nevertheless

, the global warming issue can be solved by coordination between governments and individuals. The solution for

this

problem is to demolish the amount of

carbon

dioxide

launched from cars and factories. It is more likely to be the government's responsibility to take a serious measure in reducing the amount of

this

pollution from business's side by launching the bills to control their activities. In terms of the public, the public

also

plays an essential role in lessening

this

crisis.

For instance

, in spite of driving their own vehicles, people should consider using public transportation to renounce the

carbon

dioxide

's quantities released from cars. In conclusion, global warming is one of the enormous crises

that

is

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are

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occurring all over the world, especially in urban cities, reducing the amount of pollution

that is

its original,

carbon

dioxide

, will help stabilize the global warming situation and it is indispensable that both states and publics are cooperative in lessening

this

situation.