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Thứ Hai, ngày 30/11/2020
Controlled burning increase some invasive grass

15/09/2015

Controlled burning is widely used to maintain biodiversity and enhance regeneration of important deciduous tree species such as oak and hickory, but a recent University of Illinois study found that this practice also increases the growth of an aggressive species of invasive grass.
Green Aviation up to New Heights

15/09/2015

This turns out to be quite a week for green aviation. First, an incredible milestone in the historic journey of the Solar Impulse as the fuel-free aircraft successfully completed a five-day crossing of the Pacific from Japan to Hawaii, the longest solo manned flight in history.
Global warming impacting bird populations in Hawai'i

15/09/2015

Hawai‘i, the name alone elicits images of rhythmic traditional dancing, breathtaking azure sea coasts and scenes of vibrant birds flitting through lush jungle canopy. Unfortunately, the future of many native Hawaiian birds looks grim as diseases carried by mosquitoes are due to expand into higher elevation safe zones.
The costs of air pollution has been estimated in France

15/09/2015

The French Senate has called for new efforts to tackle air pollution, arguing it inflates healthcare costs, reduces economic productivity and agricultural yields, and has put Paris in the EU's bad books.
Need to reduce carbon footprint in airports as aircraft have done

15/09/2015

Today’s passenger aircraft are becoming ever more efficient, driven by regulations like the EU’s emissions trading scheme and airlines looking to squeeze profit out of every drop of fuel saved. Yet on the ground, airports operate in a different class. New findings from a European Union-funded research project show that commercial airports use as much energy as a small city, and up to one-fifth of ...
More people take part in renewable energy market

15/09/2015

Renewable energy investment and deployment is paying off, and in spades, when it comes to addressing a basic issue plaguing developed and developing countries alike: an inability to generate jobs that pay a good living wage. Around the world, renewable energy job creation continues to far outpace that for economies overall.
E-Waste problem is coming

15/09/2015

While electrical and electronic equipment have never been more efficient, economical or in demand, consumers' desire to own the best and the latest is contributing to an environmental issue of increasing seriousness and concern, according to a new report.
A decrease in seabird populations

15/09/2015

A research of the University of British Columbia (UBC) shows world’s monitored seabird populations have dropped 70% since the 1950s, a stark indication that marine ecosystems are not doing well.
Nepal copes with climate change

15/09/2015

On 25 April, Nepal was hit by a 7.8 magnitude earthquake. But as well as quakes, the country is also vulnerable to climate change, a combination that makes it harder to build resilience and risk preparedness.
As species adapt to a warming climate, ecosystems change

15/09/2015

To mitigate the trend and support conservation efforts, scientists at the University of Toronto (UT) are sharing a way to predict which plants or animals may be vulnerable to the arrival of a new species.
Greece's economic problems linked to its coal-based energy policies

15/09/2015

As Greece prepares for its referendum, it is taken to task for its highly polluting lignite power sector, its ditching of a successful solar program in favour of more coal, the minimal insulation in its buildings that locks in high fuel bills, and Syriza's failure to tackle these issues. Greece's latest €1.4bn coal project looks like going unfunded.
Overall carbon cost of fuel from Canadian oil sands

15/09/2015

Gasoline and diesel fuel extracted and refined from Canadian oil sands will release about 20% more carbon into the atmosphere over the oil’s lifetime than fuel from conventional crude sources in the United States, according to a study by the University of California and Stanford University.