The latest research is clear: To avoid the worst climate impacts, global greenhouse gas (GHG) emissions will not only need to drop by half in the next 10 years, they will then have to reach net-zero around mid-century. Recognizing this ...

The largest and highest-consuming cities in the world have carbon footprints equal to those of small countries. This is the finding of a study surveying the carbon footprint of cities worldwide. Half the world’s population lives in cities, but just 100 cities ...

Around the world, grassroots movements like Extinction Rebellion and Fridays for Future are sounding the alarm about the climate crisis, and government representatives are responding to the call: national parliaments and cities have declared climate emergencies, the Green New Deal is gathering support in ...

Amid the barrage of news about climate-related natural disasters and climate change summits, it’s important to recognize real inflection points—when there is truly cause to sit up and take note. The IPCC Special Report on Global Warming of 1.5ºC, released ...

Thousands of cities have committed to act on climate change, but few have yet turned their goals into tangible results. One of the important items that can help them begin is data from national governments. Establishing an “emissions inventory,” measuring how much greenhouse ...

Imagine you’re a local sustainability officer developing an initiative to reduce emissions. But you don’t know how many emissions the city produces, or where they’re coming from. You don’t know who the city’s biggest energy users are, how many cars ...