This is a story about how to perceive the population of cities.
Will 2018's heatwave spark a wave of sustainable investing?
Why an increased awareness of environmental challenges is changing businesses for good.
Will redesigning our atmosphere help reverse global warming?
Even in the rosiest of scenarios, purely reducing emissions will not halt the warming of the planet. And that's where climate-modifying technologies come in.
A billboard equivalent to 1,200 trees
The pollution-fighting billboard cleans roughly 70,000 cubic meters of air per day, equivalent to 1,200 trees.
Making computers faster and more climate friendly
By designing energy-efficient computer processors we could reduce energy consumption, and we could reduce GHG emissions in places where electricity comes from fossil fuels.
This London bench absorbs as much pollution as 275 trees
Each CityTree holds 1,682 pots of moss which, its creators claim, extract as much particulate matter as 275 trees in 1% of the space
Who owns the space below cities?
The space under cities is getting busier – from transport excavations to billionaire’s mega-basements. So how to keep track of what’s down there?
Urban trees can store almost as much carbon as tropical rainforests
City trees aren’t just nice decoration–they’re a key factor in stopping climate change.
What are the top 10 greenest cities in the UK?
New maps show how much green space there is in the UK’s ten most populated cities.
Volcanoes are helping to fuel cleaner cars
Waste CO2 from the power plant that supplies water to the Blue Lagoon is being turned into methanol and shipped to the UK. The purpose? To cut down on air pollution from cars.