The IPCC makes it plain that the current and projected climate change is not simply “natural variation”, but “very likely” (meaning at least 90%) the result of human activity.

A SNP is a variation in just one nucleotide of a genetic sequence; think of it as a spelling change affecting just one letter in an uncommonly long word.

In case of variation of such rate by more than 3 per cent after the date of this contract, the price shall be adjusted and settled according to the corresponding change.