Jim Morrison

862 Added | 2 Magazines | 7 Likes | 7 Followers | @JimMorrison51ld | Marine biologist, formerly lead prawn fishery manager of the Department of Fisheries and Oceans, Canada; also involved in crab trap fishery and crustacean stock assessment with First Nations; formerly involved in marine water quality protection and marine habitat protection.

Study reveals fishing’s startling global footprint: ‘It totally blows me away’

HALIFAX — Global fishing efforts are so wide-ranging that fleets covered more than 460 million kilometres in 2016 — a distance equal to going to the …

Fishing

When climate change gets bad, the ocean will make it worse

You won't like the sea when it’s angry.<p>Twenty millennia ago, when the Earth was cool and glaciers were at their most massive, scientists believe the …

Global Warming

New cutting-edge science confirms that Antartica is losing ice faster every year

New data analysis confirms what scientists have suspected for a while now: West Antarctic ice melt is speeding up.<p>In a cutting-edge survey of satellite data published Feb. 13 in the journal Cryosphere, researchers from NASA and other institutions shows that ice loss from the critical region of …

Global Warming

What happens if Earth gets 2°C warmer?

And why are we trying to avoid it?<p><i>Note: Below is the script for the video, above. You may want to just watch the video instead. While we have you, why don't you subscribe to</i> Popular Science <i>on YouTube?</i><p>If the world gets warmer by two degrees Celsius, we’re screwed. To prevent that, the United Nations …

Climate Change

West Coast Wetlands Could Nearly Disappear in 100 Years

We use cookies to provide you with a better onsite experience. By continuing to browse the site you are agreeing to our use of cookies in accordance …

Climate Change

Arctic temperatures soar 45 degrees above normal, flooded by extremely mild air on all sides

While the Eastern United States simmers in some of its warmest February weather ever recorded, the Arctic is also stewing in temperatures more than …

Global Warming

Humans are responsible for nearly all modern global warming

Looking for news you can trust?<br>Subscribe to our free newsletters.<p>No special reason for this post, but in case anyone ever suggests to you that, sure, …

Climate Change

Global grazing lands increasingly vulnerable to a changing climate

Some 800 million people around the world depend on livestock that graze on natural vegetation for their livelihoods and food security. In a good …

Ecology

A look into a climate-altered Alaska

Experiments in the permafrost zone near Denali simulate a warmer North.

Climate Change

Rather than growing like it should in winter, sea ice off Alaska has been shrinking dramatically

Meanwhile, ice losses elsewhere allowed a Russian tanker to make the first ever independent winter crossing of the Arctic The Bering Sea off Alaska's …

Global Warming

An unfrozen North

The world’s permafrost holds vast stores of carbon. What happens when it thaws?

Global Warming

The ‘evil twin of global warming’ is melting starfish and other sea creatures, scientists discover

Sea creatures are literally being eaten away and ‘dissolved’ by pollution, scientists have discovered.<p>It’s feared that high levels of carbon dioxide …

Climate Change

Earth’s Crust Absorbs Lots of Carbon Dioxide, But Not Enough to Save Humanity

New research finds that subduction along the seafloor absorbs carbon dioxide, which helps explain why the climate fluctuates over millions of …

Climate Change

Humanity Officially Started Ruining The Planet In 1965 - Welcome To The Anthropocene Era

Researchers have pinpointed the moment that humanity fundamentally changed our natural world – the beginning of a new epoch.<p>The Anthropocene age began between October and December of 1965, according to a study published in <i>Scientific Reports</i>, which found the marker of this new era in the heartwood …

Climate Change

Polar Ice Is Lost at Sea

Our planet reached another milestone earlier this week: Sea ice fell to its lowest level since human civilization began more than 12,000 years</i> …

Global Warming

Stanford Study Quantifies Dangers Of Climate Change

A new Stanford University study says damaging weather extremes are up to five times more likely in specific parts of the planet because of climate …

Climate Change

Global Warming Zaps Oxygen

Photo by Todd Huffman | CC BY 2.0Take a deep breath. A recent scientific study reveals disturbing loss of ocean oxygen. Unnerving climatic events …

Global Warming

Decline in krill threatens Antarctic wildlife, from whales to penguins

Climate change and industrial-scale fishing is impacting the krill population with a potentially disastrous impact on larger predators, say …

Biodiversity

A map of the world after four degrees of warming

In this speculative world map published in 2009, New Scientist imagines what the world might look like if (or more likely, when) the Earth warms by …

Geography

25 Years of Satellite Data Uncover Alarming Error in Sea Level Measurements

Climate change is worsening faster than we thought.<p>The Earth is changing in ways that could cause an actual mass extinction during our lifetimes. In …

Global Warming

Here’s what happened the last time the living things in our oceans and lakes died

On January 5, 2018, a paper published in the journal Science delivered a sobering message: The oxygenation of open oceans and coastal seas has been steadily declining during the past half century. The volume of ocean with no oxygen at all has quadrupled, and the volume where oxygen levels are …

Lake Erie

It's probably too late to save the polar bears, but what can we do to save others?

Polar bears could soon be extinct and humans are turning a blind eye to their suffering. According to a new study published last week, polar bears …

Global Warming

Drought Across U.S. Reaches Highest Levels Since 2014

In January, the East was cold, the West was warm and drought reached its largest extent since 2014, the National Centers for Environmental …

Climate Change

Over three billion barrels of Alberta bitumen has become carbon pollution absorbed by the oceans

Lost in the heated arguments over Kinder Morgan's proposed Trans Mountain pipeline is this simple fact: more than a quarter of the bitumen flowing …

Oil

Melting Arctic Permafrost Could Release Tons of Toxic Mercury

Scientists have found large natural stores of the toxin in the Arctic. It's not clear how much will get into food webs as the planet warms.<p>Scientists have uncovered another hidden threat buried in the icy frozen north—massive natural reserves of mercury, a toxic heavy metal that in some forms can …

Global Warming

We’re Killing Our Lakes and Oceans. The Consequences Are Real.

We only need to look to the Mediterranean Sea and the North American Great Lakes for dramatic illustrations of what lies in store if we don’t act now.<p>…

Lake Erie

Climate Adaptation Is Essential, Scientists Warn

By Tim Radford<p>The probable changes as the world heats are so great that climate adaptation to cope with the inevitable is now essential, scientists …

Climate Change

A Map Shows What Happens When Our World Gets Four Degrees Warmer: The Colorado River Dries Up, Antarctica Urbanizes, Polynesia Vanishes

Humanity faces few larger questions than what, exactly, to do about climate change — and, in a sense larger still, what climate change even means. …

Geography

5 periods of mass extinction on Earth. Are we entering the sixth?

Our earth is very old. Based on the estimation of the oldest rock, it’s around 4.5 billion years of age.<p>Scientists from all over the world use …

Climate Change

Global warming could be poisoning your food

The old adage about not eating oysters in months that contain the letter ‘R’ may have to be updated.<p>Two foodborne pathogens — Vibrio and …

Environmental Health