We use this kind of waste system every day, but we likely don't think about it very often: sewage and wastewater treatment. This community in Scotland has gone all-natural with its wastewater treatment and is even feeding greenhouse plants with its cyclical system.

As more and more people climb the world's highest peak, they leave increasing amounts of rubbish behind them. Mountain enthusiasts are worried about how much garbage will be exposed when the ice melts. A few Everest aficionados are keen to clean up the Himalayan peak.

In many parts of the world, take-back schemes offer more than just a litter-free environment — they offer an income to those who need it. In the absence of any local recycling system, residents of Shakas Head, South Africa partake in an initiative that rewards them for collecting discarded plastic bottles.

Eight million tons of plastic end up in the ocean every year. One forecast suggests that by 2050, there could be more plastic in our oceans than fish. British yachtswoman, Emily Penn, has become a tireless campaigner against ocean plastics. She now raises awareness on the topic and conducts scientific research in some of the most remote parts of our world.

Doesn't it drive you crazy when you pull up to a parking space only to find that the cars on either side of it are crowding over the lines? What if your car could magically squeeze itself into that smaller space? This electric car that can do just that.

A few companies are creating machines that suck carbon dioxide out of the air in an effort to mitigate climate change. One Swiss-based company has figured out how to use this captured CO2 for everything from carbonated beverages to growing crops, and even burying it underground. DW spoke with Climeworks' Louise Charles about what this technology could mean for off-setting our emissions.

Most recycled electronics are shipped to developing nations. But they often cause more harm than good. In Kenya, stockpiles of E-Waste have increased, along with environmental and health problems. In an effort to deal with the mounting equipment, a few local techies are getting creative. They've started a 3D printing company and they want to put a printer in every school in the country.

A plague of rats has been threatening the unique wildlife of the Galapagos islands. Conservationists are trying to eradicate the invasive varmints — using 21st-century technology. Could drones be the lifeline this ecosystem needs to regain its natural balance?

France has been gripped by rolling protests in recent months. Not just by the so-called "gilets jaunes" or yellow vests, who demand economic justice, but also by citizens calling on the French government to step up the fight against climate change. French climate protestors are fed up with inaction on the part of their government, and they are taking to the streets to show it.

DW's Anne-Sophie Brändlin recently paid a visit to a few of Berlin's clubs to see how these venues are doing their part for the planet and working to make even our nightlife, a little greener.