Sam and Neil talk about an essential element for life to thrive.
Quantifiers
Can climate change cause more disease?
Modals of deduction and speculation
Present perfect continuous
Phrasals
First and zero conditional
Addicted to war
Food shortages
Ecotourism: good or bad?
Ice and the origins of life on Earth
Recording should be less than 60 seconds
00:00 / 00:59
Restart
