Similar to building new roads, repairing existing ones is not an environmentally friendly endeavor. One of the main problems is bitumen, a fossil fuel-derived binder that holds asphalt together. A startup in Norway is recycling old roads using a plant-based binder instead, a … [Read more...] about This startup uses a plant-derived material to make roads carbon negative
asphalt
Recycling asphalt shingles is now possible thanks to this roofing giant
Affordable and easy to install, it’s not surprising that asphalt shingles are the most popular roofing material in the US, covering about 75 percent of the country’s roofs. The problem with it, however, is that 12 to 15 years after installation, they need to be replaced. Due to … [Read more...] about Recycling asphalt shingles is now possible thanks to this roofing giant
From oil to microalgae: the race to sustainable bioasphalt is on
Standard asphalt is composed mostly of bitumen, a byproduct of crude oil distillation. Like concrete, its production is resource-, carbon- and energy-intensive. It is also a poor choice to pave roads, since it easily cracks and degrades into potholes, requiring frequent and … [Read more...] about From oil to microalgae: the race to sustainable bioasphalt is on
Asphalt, not glass or plastic, is most recycled product in US
A study conducted by the Federal Highway Administration found that a little over 99% of all asphalt used is recycled– making it the most recycled material in the US. In addition to the recycling of asphalt, environmentally friendly warm–mix asphalt’s use has grown more than 148% … [Read more...] about Asphalt, not glass or plastic, is most recycled product in US