Sentences with phrase «harmful greenhouse gases when»

Not exact matches

Had these concentrations been even slightly lower, the effects of the emission of harmful greenhouse gases would have been felt much earlier, at a time when humankind was not yet ready or knowledgeable enough to face up to mitigation efforts.

When these organic materials are buried under piles of garbage deep within a landfill, they decompose anaerobically (without oxygen) and generate methane — a harmful greenhouse gas.

When reviewing the environmental impacts of fossil fuel projects under the National Environmental Policy Act (NEPA), the judges said, the agency can't assume the harmful effects away by claiming that dirty fuels left untouched in one location would automatically bubble up, greenhouse gas emissions and all, somewhere else.

When we waste less energy, we need fewer power plants, which emit harmful pollutants and heat - trapping greenhouse gases — especially coal - fired ones.

Well, that rib - eye you devoured comes at a pretty steep cost when you consider how much water it takes to produce it and the levels of harmful greenhouse gases produced by cows.