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World’s carbon dioxide concentration teetering on the point of no return

The world is hurtling towards an era when global concentrations of carbon dioxide never again dip below the 400 parts per million (ppm) milestone, as two important measuring stations sit on the point of no return. The news comes as one important atmospheric measuring station at Cape Grim in Australia is poised on the verge of 400ppm for the first …

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John V. Walsh – China Closes the Innovation Gap

The headline reads, “The Rapid Rise of a Research Nation: China’s economic boom is mirrored by its similarly meteoric rise in high quality science.” This was not a headline in People’s Daily or China Daily but in the most prestigious of Western scientific publications, Nature. The 38 pages, which follow that headline in a special Supplement to the journal Nature, tell us that China is now second …

You call this stewardship of Earth? BY ALLEN ARMSTRONG AND IRIS SANGIOVANNI

This column is a collaboration between a retired engineer and a university student regarding our perceptions of climate change. Allen Armstrong: As a 75-year-old grandfather, I represent the latest generation responsible for the Earth as it is, to be passed down to Iris, a 20-year-old student, and, later, to the generation of my grandchildren. What sort of stewards have we …