Vocabulary 1.1 - thunderstorms, heatwave, atmosphere, evaporates, tornado
Vocabulary 1.2 - rays, icy conditions, flood, heavy rain, drought
Grammar 1 - adverbs of frequency - sometimes, frequently, occasionally, always, hardly ever
Grammar 2 - Multi-word verbs - use up, throwing away, cut down on, look after, wiped out
Vocabulary 2.1 - carbon neutral, public transport system, cycle route, air-conditioning, low emission zone
Vocabulary 2.2 - pedestrianised zone, renewable energy, air quality, urban forest, sustainable
Grammar - 3 -ing verb form
Grammar 4 - Complex noun phrases
100

The layer of gases protecting Earth from the sun's harmful rays

atmosphere

100

Lines of light and energy reaching Earth from the sun

rays

100

the most frequent

always

100

We need to ________ plastic use to help reduce pollution.

cut down on

100

__________ is a system that cools and dehumidifies the air inside buildings.

air-conditioning

100

__________ comes from sources that won't run out, like the sun or wind.

renewable energy

100

We should start to use / using reusable bags instead of plastic ones.

using

100

We should invest more in ________ to reduce our carbon footprint.

energy - renewable - policies

renewable energy sources

200

A powerful, spinning column of air that can cause severe damage

tornado

200

Very strong and intense rainfall that can cause flooding

heavy rain

200

more often than rarely and hardly ever, but less frequently than often and frequently.

occasionally/sometimes

200

Instead of ________ old clothes, you can donate them to charity.

throwing away

200

__________ means not adding any extra carbon dioxide to the atmosphere.

carbon neutral

200

__________ is a collection of trees and plants in a city.

urban forest

200

People are to get / getting more concerned about global warming and its effects.

getting

200

________ provide green spaces for people to relax and enjoy nature.

in - cities - parks

parks in cities

300

A period of extremely hot weather lasting several days

heatwave

300

When the weather is very cold, causing water to freeze and making surfaces slippery

icy conditions

300

equivalent to sometimes

occasionally

300

Many animal species are being ________ because of deforestation.

wiped out

300

__________ is a path or road designed specifically for bicycles.

cycle route

300

__________ is an area where cars are not allowed, and people can walk safely.

Pedestrianised zone

300

The school is to hand out / handing out flyers to educate students about zero waste practices.

handing out

300

________ can help prevent soil erosion and improve water quality.

rivers - planting - trees - near

planting trees near rivers

400

When a liquid changes into a gas, like water turning into vapor

evaporates

400

A long period with little or no rain, leading to very dry conditions

drought

400

more often than occasionally and sometimes, but less frequently than very often.

frequently

400

We must ________ our planet to ensure a healthy environment for future generations.

look after

400

__________ is an area where only vehicles that produce little pollution are allowed.

low-emission zone

400

__________ refers to how clean or polluted the air is.

air quality

400

Cities are becoming / to become more polluted because of increased traffic.

becoming

400

The ________ during hot weather can strain our water supply.

water - increase - of - use

increased use of water

500

Storms that include thunder, lightning, heavy rain, and strong winds

thunderstorms

500

When water covers normally dry land, often due to heavy rain

flood

500

The equivalent of rarely.

hardly ever

500

If we ________ all our natural resources, there will be nothing left for future generations.

use up

500

__________ is a network of buses, trains, and other vehicles that people can use to travel around a city.

public transport system

500

__________ means using resources in a way that doesn't harm the environment and can be continued in the future.

sustainable

500

The teacher is to give / giving a presentation on how to live sustainably.

giving

500

________ contributes to air pollution and global warming.

electricity - fuels - fossil - using - generating 

generating electricity using fossil fuels