An increase in the average temperature worldwide believed to be caused by the greenhouse effect

• Natural landscape

• Global warming

• Deforestation

• Biodiversity

Answer explanation

The amount of greenhouse gases emitted by

something during a given period of time

• Carbon footprint

• Carbon dioxide

• Carbon copy

• Carbon fiber

Answer explanation

Dấu chân carbon

Often known as clean energy, comes from natural sources. For example, sunlight or wind keep shining and blowing.

• Potential energy

• Nervous energy

• Youthful energy

• Renewable energy

Companies can take action by becoming --- and will reap the rewards of increased revenue, reduced costs, and new commercial opportunities.

• biodegradable

• carbon neutral

• ecological

Answer explanation

Carbon neutral (adj): achieving net-zero carbon dioxide emissions

To tackle the issues of environmental damage, we need more --- materials. That's why there’s been a surge in research into plant-based plastics.

• biodegradable

• toxic

• fascinating

Answer explanation

Biodegradable (adj) able to change naturally by bacteria into substances that do not harm the environment

Collocation:

biodegradable plastics/ packaging/ products/ materials

It is essential that governments design --- to prevent or reduce harmful effects of human activities on ecosystems.

• sales campaigns

• ecological policies

• local agreements

Answer explanation

Ecological policy = environmental policy

In an attempt to protect the environment, governments, organizations, companies and individuals should jointly ---, ---, and ---.

• produce organic food

• find environmentally friendly solutions

• promote the use of fossil fuels

• behave irresponsibly toward the nature

• reduce their carbon footprint

Answer explanation

Keywords:

- organic food

- environmentally friendly

- fossil fuels

- behave irresponsibly toward

- carbon footprint