a place where rubbish is left
rubbish dump
to understand or find (something, such as a reason or a solution) by thinking.
sort out
gases in the earth's atmosphere that trap heat
greenhouse gases
the distance between the place where food is grown or made and the place where it is eaten
food miles
the increase in temperature of the earth's atmosphere
global warming
feeling ashamed because you have done something that you know is wrong
guilty
it doesn't take a lot of power to work
energy-efficient
goood to environment
eco-friendly
put something into a box, bag, etc
package
multiply
the total amount of greenhouse gases (including carbon dioxide and methane) that are generated by our actions
carbon foorprint
a building where rubbish is recycled
recycling centre
the process of wrapping goods
packaging
keep something cold (such as in fridge)
refrigerate