all year - round
all year - roundcome - to realise
global - warming
crucial - role
ozone - layer
ultimate - challenge
strictly - limited
marine - pollution
major - impact
sea - level
drive - to extinction
severe - issues
environmental - measures
Fitness plays a crucial role in improving your health.
The educational system has severe issues.
The rising sea level is dangerous for both humans and animals.
He has come to realise that he can't succeed alone.
Hot chocolate can be enjoyer all year round.
