Choose the best answer.

The ______ of around 40% of the world’s forests has serious impacts on over 1 billion people who live in and around forests.

Choose the best answer.

Fossil fuels like coal, oil and natural gas account for 81% ______ the total energy used in the USA.

Choose the best answer.

The use of biofuels helps to achieve energy ______ as it helps reduce the dependence on foreign oil for some countries.

Choose the best answer.

The average world’s temperature has risen ______ about 0.8 degrees Celsius over the past 100 years.

Choose the best answer.

Energy plays a key role for ______ development of a country.

Choose the correct answer.

Building dams provides a great number of ______ benefits.

Choose the best answer.

Reducing the amount of carbon dioxide in the atmosphere mainly aims to ______ global climate change.