Black carbon impacts climate in a number of ways, some of which scientists are still trying to understand. (insideclimatenews.org)
They will also award on - trade suppliers on the quality of their range and pricing, plus attention to environmental issues in a high carbon impact business model. (thedrinksbusiness.com)
With regards websites carbon impact — we have ours hosted in a data centre which we supply with green electricity, so at least at that end it's zero carbon. (zerocarbonista.com)