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Earth Hour – level 3

02-04-2015 07:00

The lights went out in parts of Japan, Hong...

Costa Rica uses clean energy – level 1

01-04-2015 15:00

Clean energy is important to Costa Rica. It has...

Costa Rica uses clean energy – level 2

01-04-2015 15:00

Clean energy is so important to Costa Rica that...

Costa Rica uses clean energy – level 3

01-04-2015 15:00

Could it be the cleanest country in the world?...

Bio-bus runs on poo – level 3

27-11-2014 15:00

The UK’s first number two bus is to hit...