Ethicist Peter Singer told Q&A that climate change-related sea level rises are "estimated to cause something like 750 million refugees just moving away from that flooding". Is that accurate?
A world of warmer weather may be bad news for reproductive health and birth rates.
Most evidence shows that climate change is caused by humans and immigration is good for the economy. So why do many of us reject these notions anyway?
Environmental racism remains a reality in South Africa. It is poor, black citizens who live on the most damaged land and in the most polluted neighbourhoods.
What are the pressures on researchers that could lead to misrepresentation of facts? Do the "guardians need a guard"?