Month: November 2017

How do you develop a slum?

How do you develop a slum?

How do you develop a slum? In some places, such as Beijing, slums have been bulldozed, with allegations of human rights abuses. In others, children still play around open sewage. In others still, slum residents now can travel by cable car. This GeoIssues report investigates […]

Shares 0
Particulate matter: deadly but invisible

Particulate matter: deadly but invisible

Air pollution is often thought of as a gas hanging above our cities, but the most dangerous parts of it are particular matter (PM): ash, dust, chemical salts, thought to cause 7 million premature deaths a year. 92% of the world’s population, according to the […]

Shares 0
Why you should care about thawing permafrost

Why you should care about thawing permafrost

24% of all exposed land in the Northern Hemisphere is permafrost. It contains an estimated 1400-1700 billion tonnes of carbon, twice the amount in the atmosphere. And it’s thawing at an unprecedented rate, releasing vast quantities of this carbon into the atmosphere, in one of […]

Shares 0
Ocean acidification: the forgotten cost of climate change

Ocean acidification: the forgotten cost of climate change

Ocean acidification is the forgotten consequence of climate change. The oceans have reduced the rate at which temperatures rise on land by absorbing carbon dioxide and thermal energy, but this comes at a terrible cost: the cost of ocean acidification. It is a cost which […]

Shares 0