an increase in the Earth's temperature
Global Warming
get on ...
with
to become less sad, or to make someone feel less sad
cheer up
an unexpected situation that requires immediate action
emergency
in risk of being lost
endangered
rely ...
on
to have a friendly relationship with someone
get on with
any machine which travels on roads
vehicle
a source of energy like coal, gas or oil
fossil fuels
contribute ...
to
to be similar to an older member of the family
take after
a person who travels between home and work every day
commuter
the activity of cutting down trees
logging
insist ...
on
to look after a child until they are an adult
bring up
traffic jam
traffic congestion
a negative result of something
consequence
prevent ...
from
to gradually have a less close relationship
grow apart
a system of tracks with the trains, organization, and personnel required for its working
railway