Significant amounts of methane found to be leaking from permafrost in the East Siberian Arctic Shelf could push the world closer to the tipping points for abrupt climate changes. According to a study published in Science journal this week, about 7-8 million tonnes of methane are being released from the Shelf each year – about the same amount that the entire world’s oceans release annually. Methane is a potent greenhouse gas considered to be one of the largest contributors to climate change.
Chemicals that helped solve a global environmental crisis in the 1990s — the hole in Earth’s protective ozone layer — may be making another problem — acid rain — worse, scientists are reporting.
Whilst much research is devoted to understanding and predicting climate change, relatively little attention is focused on the effect it may have on steel infrastructure. Climate change-induced variations in relative humidity, rainfall, ultraviolet levels, wind patterns, pollution transport and the frequency of severe weather events could have a significant impact on infrastructure life and result in a potentially devastating loss of durability.
The National Institute of Standards and Technology (NIST) and the National Aeronautics and Space Administration (NASA) have launched a joint effort to gather enhanced climate data from spaceborne climate observation instruments planned for a group of satellites now under development.
The researchers studied lake sediments to reconstruct the climate history of the Eemian Interglacial, since deposits on river and lake beds can build up a climate archive over the years.
Elliot Scientific showcases the novel remote sensing and imaging capabilities of the new Firefly-IR laser system by real-time visualisation of greenhouse gas plumes.
How does a natural forest respond to harvesting under global change conditions? Michigan Technological University and the US Forest Service Institute for Applied Ecosystem Studies (FS IAES) are conducting research that explores that question.
Increasing the reflectivity or “albedo” of roofs and pavements in urban areas could offset greenhouse gas emissions by a significant amount, according to a paper published last month in Environmental Research Letters.
Yields from some of the most important crops begin to decline sharply when average temperatures exceed about 30 degrees Celsius, or 86 Fahrenheit. Projections are that by the end of this century much of the tropics and subtropics will regularly see growing season temperatures above that level, hotter than the hottest summers now on record.
Siemens technologies took first place in two categories of the first Innovation Prize for Climate and Environment awarded by Germany’s Federal Environment Ministry and the Federation of German Industries (BDI).
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