Sentences with phrase «start of the industrial age»

Overall, the data from the current study provide strong evidence that rising Ca since the start of the industrial age has, and will continue in the near term, to reduce the pollen protein concentration of Solidago, an important autumn pollen source for bees and other pollinators.

If we set that at the concentration that existed at the start of the industrial age, or even at the time of the first oil wells in Oklahoma, we have much reduction to accomplish.

The start of the industrial age generally reckoned to be around 1730?

Scientists report the sea is already 30 percent more acidic than it was at the start of the industrial age.

We can trace temperature variations since 1725 to production of CO2 and the start of the industrial age.

They have pointed out that most of the extra carbon in the atmosphere has been put there by developed countries since the start of the Industrial Age.

Since the start of the Industrial Age, atmospheric carbon dioxide levels have increased by over 35 per cent, from the long - term range of 260 - 280 parts per million (ppm) to the present level of over 380 ppm.