29/10/2020

Aleksandar Adzic

FREE AND INDEPENDENT – Time for change is NOW!

ENVIRONMENT

‘This pandemic is nothing compared to what climate change has in store’

We need to flatten both the pandemic and climate change curves; we need to show the same determination and unity against climate change as against Covid-19”, according to WMO Secretary-General Petteri Taalas. Action, he added, would be needed “for many generations ahead.

Why the World Needs Hemp Plastic… Now

The problem with the world’s plastic obsession is that it’s never-ending. In 2017, the global plastic consumption reached new peaks, with an estimated eight million metric tons of plastic ending up in the oceans on an annual basis, including some 102.1 billion plastic bags from America alone. Despite the push to reduce, reuse, and recycle, the global thirst for all things plastic is unquenchable.

Don’t like CO2? Advanced nuclear power is the answer
A file photo of the installation of a containment dome for a Hualong reactor at a nuclear plant in China’s Guangxi province. Photo: Handout

So you don’t like CO2? What you need to know, then, is that there’s no alternative to advanced nuclear power.

Concern about the climate effects of man-caused CO2 emissions has prompted gigantic investments into so-called renewable energy sources: wind, solar, hydropower and biofuels. Meanwhile, in a huge mistake, nuclear energy – a reliable CO2-free power source producing 14% of the world’s electricity – has been left far behind.

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Oceana Science Adviser Dr. Boris Worm explains how we can restore the world’s oceans by 2050

We can rebuild marine life and restore much of the world’s oceans in just 30 years if we take action to protect species and ecosystems at risk. A team of marine scientists from 10 countries reached this conclusion after reviewing past ocean recoveries following conservation interventions.

“This provides a window of opportunity to mitigate existing pressures over the next decade while supporting global initiatives to achieve substantial recovery of marine life by 2050,” scientists wrote in their paper, published this month in the journal Nature. “We are at a point at which we can choose between a legacy of a resilient and vibrant ocean or an irreversibly disrupted ocean, for the generations to follow.”

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Germany’s overdose of renewable energy

Germany now generates over 35% of its yearly electricity consumption from wind and solar sources. Over 30 000 wind turbines have been built, with a total installed capacity of nearly 60 GW. Germany now has approximately 1.7 million solar power (photovoltaic) installations, with an installed capacity of 46 GW. This looks very impressive.

Unfortunately, most of the time the actual amount of electricity produced is only a fraction of the installed capacity. Worse, on “bad days” it can fall to nearly zero

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Nuclear energy to the rescue: France got it right

Today approximately 75% of France’s electricity is produced by nuclear plants. The emission of CO2 per unit of electricity generated is one of the lowest in the world. (The very lowest rates are achieved by countries with large amounts of hydroelectric resources.) France’s achievement came about primarily because of the 1973 oil crisis, which laid bare the vulnerability of the French economy to disturbances in its external supply of energy. The slogan went around: ”We have no oil, but we have ideas.”

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Climate explained: why we need to focus on increased consumption as much as population growth

Almost every threat to modern humanity can be traced simply to our out-of-control population growth (think about arable land going to housing; continued growth in demand for petroleum fuels). Is anything being done to contain population growth on a national and international scale?

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Next stop, hydrogen-powered trains
Hydrogen-powered trains like Hydroflex are emissions free – provided their hydrogen comes from a renewable source (Credit: University of Birmingham)

As old diesel trains are phased out of rail networks around the world, the UK is about to test a new type of engine that could help to decarbonise railways – hydrogen-powered trains.

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Expertise

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Excellence

This is a group of blocks in columns. Column layouts can be adapted to fit different needs.

Professionalism

This is a group of blocks in columns. Column layouts can be adapted to fit different needs.

Expertise

This is a group of blocks in columns. Column layouts can be adapted to fit different needs.

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