Front

Young college students participate in aiding the poor affected by wars or disasters.

Back

get involved

Front

In big cities, people face several issues like air pollution and lack of green space.

Back

problems

Front

Resources must be used efficiently to avoid waste.

Back

inadequately

Front

Identify the opposite of 'solidarity' in the context: Viet Nam and Laos will cooperate to strengthen the solidarity of ASEAN.

Back

separation

Front

Global warming is the __________ in the earth’s temperature caused by greenhouse gases.

Back

increase

Front

Countries should switch __________ clean energy.

Back

to

Front

Methane is __________ for over 30% of human-caused global warming.

Back

responsible

Front

Electronic _______ poses serious risks to the environment and health.

Back

waste