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Every year, we toss away 10 million tons of fish — that could fill more than 4,500 swimming pools — because of bad fishing practices and processing. This could be prevented, and in turn directly decrease pressure on our oceans. Around 80% of global wastewater is currently being diverted into oceans, unfiltered. In the poorest countries of the world it's even up to 95%. This wastewater pollutes, contaminates and destroys oceans and coastal regions. Building sustainable sewage systems, especially in developing countries, would protect ocean ecosystems and contribute to better drinking water supplies in many places.
Tim Schauenberg, ‘How to save our high seas from overfishing, pollution’, BBC
#BBC#Tim Schauenberg#food waste#bad fishing practices#wastewater dumping#ocean contamination#sustainable sewage systems#ocean ecosystems#drinking water supplies
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High up in the sky we find gigantic resources of energy which are untapped so far. How can we harvest these hidden and never-ending resources? Companies are racing to exploit the potential of this high-altitude wind power.
Credits:
Reporter: Tim Schauenberg
Video Editor: Frederik Willmann
Supervising Editor: Malte Rower-Kahlmann
We're destroying our environment at an alarming rate. But it doesn't need to be this way. Our new channel Planet A explores the shift towards an eco-friendly world — and challenges our ideas about what dealing with climate change means. We look at the big and the small: What we can do and how the system needs to change. Every Friday we'll take a truly global look at how to get us out of this mess.
#PlanetA #airborne #windenergy
Read more:
Basic concepts and physics of Airborne Wind Energy:
https://homes.esat.kuleuven.be/~highw...
Assessment of viability of AWE in the U.S by the Department of Energy:
https://www.energy.gov/sites/default/...
Industry Report on the potential of offshore wind energy globally as well as high altitude winds:
IRENA_G20_Offshore_Renewables_2021-1.pdf
Chapters
00:00 Intro
0:53 High Altitude Winds?
2:34 The sky is not the limit
3:57 Google is taking over - and fails
6:13 Projects that work
9:16 Still the next mega market?
#dw planet a#solarpunk#kites#wind energy#green energy#clean energy#renewable energy#wind power#power#energy#electricity#Youtube
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Alistair Walsh | Tim Schauenberg | Giulia Saudelli
Deutsche Welle
Nov. 20, 2022
Climate negotiators in Egypt ended negotiations in the early hours of Sunday, signing off on a final document with consensus around the break of dawn in Sharm el-Sheikh, in talks that had been extended two days past schedule.
"The work that we have managed to do here in the past two weeks, and the results we have together achieved, are a testament to our collective will, as a community of nations, to voice a clear message that rings loudly today here in this room and around the world: that multilateral diplomacy still works," COP President Sameh Shoukry, Egypt's foreign minister, said concluding the summit.
He alluded to "the difficulties and the challenges of our times," but said the international community remained "committed to the fight against climate change."
Related pressures such as rising fuel prices, inflation and the war in Ukraine were seen as an additional test for this year's COP.
"As much as skeptics and pessimists thought that climate action would be taking a backseat on the global agenda, we rose to the occasion, upheld our responsibilites, and undertook the important, decisive political decisions that were not easy," Shoukry said.
He went on to acknowledge that the talks were not easy, involved work "around the clock," and were "strained and sometimes tense," but said "in the end, we delivered."
'Loss and damage' agreement a core breakthrough
Climate negotiators agreed early Sunday morning to establish a fund to compensate developing and climate-vulnerable countries hit hardest by worsening weather extremes, after two weeks of fraught negotiations at the COP27 climate conference in Egypt.
Negotiations were scheduled to end on Friday, but disagreements over key issues led to the conference going into overtime.
Countries managed to strike a deal on the thorniest issue: compensating poor countries — those least responsible for climate change — for loss and damage caused by climate change.
That came after the G77 group of developing nations, who have long called for industrialized nations to pay reparations for climate harms, had the issue added to the official COP agenda for the first time.
Full details still have to be hammered out. Pakistan's climate minister, Sherry Rehman, whose country was hit by massive deadly flooding in the summer said the fund was not "optimal," but it addressed developing nations' "basic demand" that major historical polluters such as the United States and the European Union help vulnerable countries pay for the damage caused by climate change.
Read more.
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Biodiversidad: las especies silvestres pueden ayudar a alimentar al mundo
Los expertos en biodiversidad piden que se preserven las especies silvestres, a menudo en peligro de extinción, que pueden proporcionar alimentos e ingresos a miles de millones de personas en todo el mundo.
Por Tim Schauenberg
Se necesitan “cambios transformadores” para salvar a las especies silvestres de la extinción y preservar los ecosistemas que son esenciales para la vida humana, dicen los…
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More than half of the total amount of oxygen in our atmosphere is created by creatures in the ocean. At the same time, oceans store 50 times more carbon dioxide than what's currently found in our atmosphere. The warmer the ocean gets, the less CO2 it can store. It's a vicious cycle: the warmer it gets, the less our oceans can protect the planet from even more extreme weather events. If temperatures keep increasing at their current speed, scientists believe many shellfish such as mussels and snails will not survive. That's due to ocean acidification: if the CO2 content in the seawater increases, the PH level in the water changes. The increasing acidity hampers the creation of the chalky shells of the animals. This throws entire biospheres off-balance, and could threaten entire economic sectors, such as the breeding of oysters and mussels. The rising temperatures in the atmosphere triggered by the burning of coal, oil and gas also change ocean currents as the water gets warmer. This can already mean death for many creatures, such as corals. Corals live in symbiosis with colorful algae which help feed them. The warming of the water can lead to algae death, which means more stress for corals, leading to many losing their color, which is also known as coral bleaching.
Tim Schauenberg, ‘How to save our high seas from overfishing, pollution’, BBC
#BBC#Tim Schauenberg#oxygen#high seas#ocean creatures#carbon dioxide#global warming#extreme weather events#ocean acidification#fossil fuel burning#coral bleaching
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Vast parts of the world's oceans are still the Wild West when it comes to conservation. Fishing, shipping, tourism and ocean protection are currently controlled by around 20 organizations. However, their regulations only apply to a distance of 200 nautical miles (370 kilometers) from the coast. Farther out, international waters start, and individual states don't have any power or say. Although the high seas make up more than half of the surface of the Earth and 61% of all oceans, only 1% of international waters are under protection. Illegal fishing, overfishing and other forms of damage to the ecosystem, such as deep-sea mining, oil and gas drilling, can hardly be monitored, tracked or prosecuted in a consistent way.
Tim Schauenberg, ‘How to save our high seas from overfishing, pollution’, BBC
#BBC#Tim Schauenberg#high seas#overfishing#pollution#conservation#shipping#tourism#oil and gas drilling#deep-sea mining
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