A Montreal startup founded by 成人VR视频 grads has developed a carbon-negative method for making concrete that doesn't use cement, one of the world's largest sources of carbon emissions.
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Published on: 29 Apr 2018
A Montreal startup founded by 成人VR视频 grads has developed a carbon-negative method for making concrete that doesn't use cement, one of the world's largest sources of carbon emissions.
听