Sentences with phrase «historical human fossil»

This is a quantity roughly equivalent to historical human fossil fuel emissions to date.

Not exact matches

Palaeontologists have searched for fossil remains, and geneticists have rummaged through the historical documents that are human and chimp DNA.

This is most defensible in places that have low per capita emissions, low historical emissions, and where new fossil fuel use will address basic human needs instead of luxuries.

Given historical climate and physics, the only way that implicit endorsement means «implicitly endors [ing] that humans are a cause of warming» where «a» is something less than primary (that is, over half) is if there is some as - yet undiscovered sink absorbing human CO2 emissions and, simultaneously, an as - yet undiscovered source of CO2 that is releasing it into the atmosphere - and moreover, the CO2 from this mysterious source just happens to possess a carbon isotope signature that matches fossil fuel CO2 as a total coincidence.