An entire army regiment has just been deployed to fight air pollution by planting more than 600 million hectares of forest.
Researchers are developing solar panels that still let through enough light to function as a window.
With sea levels set to rise, architects are creating a housing proposal to withstand environmental changes.
Reducing the need for trucking by delivering some packages with electric drones could save fuel, and potentially carbon emissions.
A team developing a climbing robot have turned to cockroaches as a model.
Even if we take drastic action to reduce carbon emissions, temperatures are predicted to rise significantly across much of the US by the end of the century.
New food production techniques are driving increasing levels of urban farming - including growing produce in some unusual places.
After watching a documentary, Buckingham Palace and the Queen are taking steps to reduce plastic pollution.
The German government is considering plans to make public transport free in cities suffering from air quality problems.
A study has found that adding volcanic ash reduces the overall energy required to manufacture concrete.
Mounir Kabbara explores what's driving the growth of renewable energy in Saudi Arabia.
Iceland will likely use more electricity in the next year to mine bitcoin than it uses to power every single home in the country.
Within the next seven years, nearly half of the buses used by municipal transit districts will be electric.
Images recognized by the 2017 SkyPixel Photo Contest.
A British supermarket is introducing tea bags that don't contain polypropylene - a plastic harmful to the environment.