Connect with us

Ecology

‘Warning Bells Going Off’ as NOAA Forecasts Entire Great Barrier Reef at Risk of Coral Bleaching and Death

Editor

Published

on

[ad_1]

By Jessica Corbett
Common Dreams

“This is a wake-up call,” says one Australian marine biologist. “Given sea temperatures usually increase as we get towards March, this is probably conservative.”

coral reefDelivering yet another “wake-up call” after recent studies have shown that heat stress from anthropogenic global warming has killed half of the Great Barrier Reef’s corals since 2016, a new analysis from U.S. scientists warns that the entirety of world’s largest coral system is at risk of bleaching and death as Australia enters it summer months.

The forecast from U.S. National Oceanographic and Atmospheric Administration (NOAA) for November 2018 to February 2019 indicates that the whole reef has a 60 percent chance of reaching “alert level one,” under which bleaching is “likely.”

When coral is exposed to warm water or pollution, it expels the algae living in its tissues—its main source of food—and turns completely white. Although bleached coral is still alive, the reaction makes it more susceptible to disease and death.

“This is really the first warning bells going off that we are heading for an extraordinarily warm summer and there’s a very good chance that we’ll lose parts of the reef that we didn’t lose in the past couple of years,” marine biologist Ove Hoegh-Guldberg, the director of the Global Change Institute at the University of Queensland in Australia, told the Guardian. “These are not good predictions and this is a wake-up call.”

Hoegh-Guldberg expressed concern that the analysis shows bleaching could occur before March, which historically has been the main month for such events. “To really have the full picture we’re going to have to wait for those projections that cover the main part of bleaching season,” he said. “Given sea temperatures usually increase as we get towards March, this is probably conservative.”

While NOAA’s predictions provoked alarm, Mark Eakin, head of the agency’s Coral Reef Watch, noted that “lots of things, including major weather patterns, can change the probabilities over the next three months.”

Although “it’s much too early to predict that with any certainty,” Eakin told Australia’s ABC that “depending on what happens with the El Niño,” or the warming of the ocean surface in the central and eastern tropical Pacific Ocean, “we could see another global bleaching event in 2019” that would impact not only the Great Barrier Reef but also other coral systems across the globe.

Regardless of whether an El Niño emerges and triggers another bleaching event, scientists are urging governments to heed the urgent warnings of the recent IPCC report—which detailed what the world could look like if the global temperature rises 1.5°C versus 2°C (2.7°F versus 3.6°F) above pre-industrial levels—and ramp up efforts to avert climate catastrophe.

The IPCC report found that coral reefs “are expected to decline by a further 70 to 90 percent even under 1.5ºC, but that rises to more than 99 percent reef loss as temperature rises hit 2ºC,” according to ABC. “Researchers say at current emissions rates, the world will hit that point between 10 and 14 years from now.”

NOAA’s new forecast for bleaching in the Great Barrier Reef is “very consistent with what the IPCC 1.5 degree report told us,” concluded Hoegh-Guldberg. “It’s extremely important that politicians and our leaders stand up and make the changes we need to make so we don’t tread down an even more dangerous path.”

You might also like:

[ad_2]

Source link

قالب وردپرس

Ecology

Yukon and Northern BC First Nations tackle climate change using Indigenous knowledge and science

Editor

Published

on

By

YUKON, June 18, 2021 /CNW/ – The Government of Canada is working together in partnership with Indigenous and Northern communities in finding solutions to adapt to the impacts of climate change in the North.

Today, Minister of Northern Affairs, Daniel Vandal, along with Parliamentary Secretary to the Minister of Economic Development and Official Languages (Canadian Northern Economic Development Agency), Larry Bagnell, highlighted progress on three unique, Indigenous-led projects that are helping communities in Yukon and Northern British Columbia adapt to the challenges posed by climate change.

The Minister and Parliamentary Secretary met virtually with Carcross/Tagish First Nation (C/TFN) to learn about their community-led climate change monitoring program. C/TFN has partnered with Tsay Keh Dene Nation (TKDN) and Chu Cho Environmental of Prince George, British Columbia, to build a community-led monitoring project that examines environmental data and Indigenous knowledge to create a holistic picture of how the climate is changing across C/TFN and TKDN traditional territories. The project combines tracking of current and historical climate trends with knowledge shared by Elders while also providing opportunities for youth mentorship and climate change awareness.

The Taku River Tlingit First Nation (TRTFN) is also leading a unique project to assess the impacts of climate change within their traditional territory. Climate change is causing many of the culturally significant ice patches to melt, exposing organic artifacts to oxygen and leading to rapid deterioration. The TRTFN ice patch mapping project will involve performing archaeological assessments to prevent the degradation of artifacts. Research will be guided by traditional knowledge, Elders and oral histories, when available, and heavily involve community, Elders, youth and Knowledge Keepers.

The Pelly Crossing Selkirk Development Corporation is leading the Selkirk Wind Resource Assessment project through the installation of a Sonic Detection and Ranging (SODAR) system. The initiative includes a feasibility study leading up to the construction of a renewable energy facility, including wind, solar and battery energy storage. Expanding clean energy within the region will have direct benefits for communities, including reduced reliance on diesel, job creation and revenue generation for Selkirk First Nation. 

These projects are delivering important environmental, social and economic benefits that lead to healthier, more sustainable and resilient communities across Yukon and Northern British Columbia. They also build community clean energy capacity and help to avoid the impacts of climate change.

Continue Reading

Ecology

Atlantic Provinces Ready For Aquaculture Growth

Editor

Published

on

By

Aquaculture is an important economic driver for rural, coastal and Indigenous communities, and Atlantic Canada is well positioned to increase aquaculture production as global demand for sustainably sourced seafood grows.

That is why the ministers responsible for aquaculture in the Atlantic provinces have agreed to the ongoing development and management of their industries based on common principles. A new memorandum of understanding has been signed by the four ministers, which extends the previous agreement signed in 2008.

“In a time when food security is especially important, it is good to see our aquaculture industry has grown steadily and is poised for continued growth in 2021 based on environmentally responsible, science-based policies and practices,” said Keith Colwell, Minister of Fisheries and Aquaculture for Nova Scotia. “Our Atlantic partnership continues to help the industry grow sustainably.”

Cooperation between the provinces and the aquaculture industry has led to improvements in pest management, environmentally sustainable aquaculture methods, aquatic animal health and policies to support the shared use of marine and freshwater resources. It also aims to align regulation and policy between the provinces to make the regulatory requirements easier to understand by industry and the public.

Each province has a comprehensive and robust legislative and regulatory framework to ensure environmental sustainability, economic prosperity and public accountability. The provinces update their legislation and regulations regularly. Nova Scotia revamped its regulatory framework in 2015; New Brunswick received Royal Assent for a new Aquaculture Act in 2019 and is working on the supporting regulations; Newfoundland and Labrador completely revised its aquaculture policy in 2019; and Prince Edward Island has recently drafted a new Aquaculture Act.

The ministers have agreed to continue to use science-based evidence for management decisions, thereby increasing public and investor confidence in the Atlantic Canadian aquaculture industry.

Continue Reading

Ecology

COMING SOON: A Healthy Environment and a Healthy Economy 2.0

Editor

Published

on

By

We all want the same thing: a clean and responsible energy future for our children and future generations while continuing to enjoy a high standard of living.

On December 11, 2020, the Prime Minister announced a new climate plan which he claimed will help achieve Canada’s economic and environmental goals.

The proposed plan by Environment and Climate Change Canada (ECCC) entitled “A Healthy Environment and a Healthy Economy” will have an initial investment of $15 billion of taxpayer’s money. It is built on 5 pillars of action:

  1) Making the Places Canadians Live and Gather More Affordable by Cutting Energy Waste

2) Making Clean, Affordable Transportation and Power Available in Every Community

3) Continuing to Ensure Pollution isn’t Free and Households Get More Money Back

4) Building Canada’s Clean Industrial Advantage

5) Embracing the Power of Nature to Support Healthier Families and More Resilient Communities  

In my paper, “A Healthy Environment and a Healthy Economy 2.0” I will objectively critique each pillar in the government’s new climate plan and provide alternative solutions to the same issues.

  This is an alternative plan that supports workers, protects lower income earners and creates economic growth while respecting the environment and focusing on the dignity of work.

  This plan abandons virtue-signaling projects and relies on Canadian ingenuity to build our economy and restore Canada’s role of responsible leadership in the world.

Continue Reading

Chat

Trending