Fill in the blanks to complete the sentences.

1. I sometimes think how much rubbish I can avoid by choosing products without packaging.

2. We can ask information about recycling rules in our neighbourhood from the local council.

3. Farmers depend good weather and healthy soil to grow fresh vegetables for our food.

4. We should listen scientists when they warn us about climate change and pollution.

Put the verbs into the correct columns.

Choose the correct answer to complete the sentences.

They ________ a tree-planting event near the school to make the playground greener.

Choose the correct answer to complete the sentences.

She looked ________ the school's vegetable garden and shared the food with local families.

Choose the correct answer to complete the sentences.

We have ________ all unused appliances during Earth Hour this weekend.

Choose the correct answers.

1. The park, thatwhichwho we visit every weekend, is full of flowers and birds.

2. This is the man thatwhosewho garden is full of plants that help bees and butterflies.

3. My cousin, thatwhowhich studies environmental science, wants to work in wildlife protection.

4. They built a house whowhosethat uses solar panels to produce its own electricity.

Read the examples and choose the correct answer.

e.g.:

We turned off the lights during Earth Hour, which saved a lot of electricity.

The shop began selling only local food, which reduced transport pollution.

The underlined relative clauses refer to the noun phrasesthe whole sentences before.