result in

no longer in existence

A species in danger of becoming extinct in the near future

making you feel afraid or nervous

understood someone incorrectly; got the wrong idea

introduce again, bring back

away from a location; not present; gone

achieving a desired goal or result

a living being, especially an animal

series of planned activities with a particular aim

produce young animals

partner of a bird or animal

impossible to manage or to control

people or animals living in a certain area

particular and exact

correct in all details; exact.

act of improving or becoming strong again

Protecting and preserving natural resources and the environment

A group of people who work together to achieve some specific purpose

legally

to bring back to an original state

existing in nature, not changed by people

noise made by an animal

area

as a result

live or be present in a particular place or situation

used when you want to emphasize something that you are adding to a list

making many people afraid

keep in safety and protect from harm, decay, loss, or destruction

small amount of something

put your legs or arms out straight to pull and exercise your muscles

to run after someone or something in order to catch them

well known or easily recognized

obviously

connected with the home or family life

usually behave in a particular way

without other people or things

opposite in nature, direction, or meaning

without leaves, plants or trees

to improve

area of land that has a particular appearance

change something in a way that causes problems

the way all the plants and living creatures in an area affect each other and the environment

plant life

stop existing gradually over time

because of

having a good chance of happening

to result in

Easy to get; present and ready for use.

used when mentioning the last thing in a list to emphasize that it is also important

land on the sides of a river

direction something moves in

saying something in another way

until now

formal, approved by someone in authority

official permission or agreement for something

used to say something will happen in the near future

almost the same

set of plans or rules agreed on by a group

think about the future

books, plays, poems etc that have artistic value

a place that takes care of animals who don't have a home

to put in danger

the fact of being real or living , or being in a particular place or situation

the act of preventing something from being changed or damaged

to make someone feel afraid

the fact that one thing is like another

cruel and unkind

fixed idea about what a particular person or thing is like

move your hand gently over something

the person in charge of a school

before a particular event or time

feeling ill because of the movement of the ship you are travelling on

not accept something because you do not like it

small bean that is used in cooking, often in soup

used to say what something is needed for

hard round bean that is cooked and eaten

To give to those in need, often through an organization

aim, goal

use more of something than is necessary

give something and get something in return

give something and get something in return

all of the clothes that you own

the gradual increase of the Earth's temperature

existence of harmful gases in the air

measurement of the carbon dioxide produced by a person's activities

when there is not enough of something needed

rain that contains harmful chemicals

weather with a lot of rain, snow, or wind, or with a very high or low temperature

changes in regular weather conditions

Natural situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water vapor, and other gases

people, companies and activities that provide a certain product or service

something that causes or influences something else

make something hot; become hot

either of the two points at the farthest southern and northern parts of the planet

having to do with land near or by the sea

A long period of dry weather

happening often

existing or happening over a large area or among many people

violent storm with strong, dangerous winds that move in a circle

storm with very high winds and heavy rainfall, especially in the western Atlantic Ocean

destroy

to reduce

make regular repairs to a building, road, machine,etc to keep it in good condition

consider something fully

begin

to write

your name written in your own handwriting

experience

a resistance; a disagreement

to fail to happen or be completed (plans, arrangements, schemes, etc.).

not important or connected to the issue being discussed

fail to understand the most important information

used to say there is no reason to do something

understand the reason or importance of something

used to say that you understand and accept what someone is saying

explain an opinion

paper and other things people leave on the ground

part of Earth in which life exists including land, water, and air or atmosphere

area where animals, plants, etc. are protected

to the same degree or level

importance or position of something or someone which is widely accepted

something that is grown or made, usually for sale

very small pieces of plastic used in products such as soap, face cream and toothpaste

eat or drink something

formal discussion of a subject

something necessary or worthwhile to do

used to say that something is interesting or good enough to do or have

gain pleasure or benefit from something

used to say there is a wide variety of something on offer

used to say there is no better method for doing something

used to criticize or reject a remark that someone has made

change something in a good way

suitable for or related to teaching

money you pay the government so it can pay for public services

required

a plan or suggestion

in reaction to

think carefully

officially or legally prohibit

only to be used once and then discarded