London to charge pre-2006 diesel cars $27 to enter on weekdays

Mark Webber driving a 2016 Porsche 919 Hybrid in LondonFor more than 13 years, London has collected a stiff charge from motor vehicles entering the congested core of the city during weekday business hours. Known as the congestion charge, the fee of £11.50 a day, or $14.50 (£10 with automatic payment, or $12.50) is levied from 6 am to 7 pm Monday through Friday except holidays. First...

China axes 103 coal-fired power plants, citing smog, overcapacity

Beijing smogDuring negotiations for the Paris Climate Treaty signed last fall, a major concern among critics was whether the carbon emissions of China's sprawling and inefficient energy sector could be reined in. With China, the U.S., and dozens of other countries signing the agreement, the world's most populous country committed itself to decarbonizing its...

Global carbon emissions have been flat for three years now

Ontario Power Generation Nanticoke Generating Station coal power plantGlobal efforts to reduce greenhouse-gas emissions may be starting to pay off, suggests a recent study. Last month, scientists released an assessment that suggests global carbon emissions did not increase significantly in 2016. That makes this the third year in a row that carbon emissions have remained flat. DON'T MISS: Renewable energy growth...

5 African nations push for cleaner diesel fuel from European suppliers

Oil field (Image: Flickr user johnny choura, used under CC license)African nations have a very specific problem when it comes to dealing with emissions from diesel vehicles. Because of lax emissions standards, traders import fuel to these countries that is too dirty for sale elsewhere. But now a handful of African nations are taking a stand against this. DON'T MISS: Why Africa gets filthiest diesel fuel: little...

Mayors of 4 capital cities to ban all diesel vehicles by 2025

Eiffel Tower in Paris, France (photo by Rijin, via Wikimedia Commons)Even before the Volkswagen diesel scandal, diesel passenger cars were never popular in the U.S. But in other parts of the world—especially Europe—diesels have been the de facto choice of many buyers for decades. Increasing concern over air pollution and the VW scandal are beginning to change that, though. DON'T MISS: Paris weekday ban...

How China’s horrific air quality magically turns cleaner: cotton

Beijing smogChina is known for having some of the most polluted air in the world. But officials in one Chinese city found a way to at least make that air appear cleaner, for awhile. Like many Chinese cities, Xi'an, the provincial capital of Shaanxi, in the northern part of the country, has air-monitoring equipment. DON'T MISS: Coal in China: huge problem for...

Coal in China: huge problem for clean power, climate efforts

Coal, by Flicker user oatsy40 (Used Under CC License)Over the past few years, China has made impressive strides in renewable-energy investment. The promotion of renewable energy will only become more important as China works to meet its commitments under the recently-ratified Paris climate agreement. But the country's reliance on coal for electricity generation still poses a huge problem for these...

Could an EU switch to on-road emission tests allow more pollution?

2016 Renault Clio RSThe Volkswagen diesel scandal convinced European regulators to switch from laboratory emissions testing to tests that involve actual, on-road driving. This could prevent automakers from deploying "defeat device" software like the kind used by VW on laboratory tests, as well as produce results that more closely align with what consumers can expect...

India, EU ratify Paris climate agreement: takes effect next month

Hyundai ix35 (Tucson) Fuel Cell Paris taxiLast December, representatives form 195 countries met in Paris to negotiate an agreement to address climate change on a global scale. Almost a year later, enough countries have now formally ratified that agreement in order that it can officially take effect. The tipping point was reached when India and the 28 members of the European Union ratified...