7 of the Best Ted Talks About Climate Change
Imagine being able to invite some of the leading minds of the climate movement over for dinner. You could pick anyone from anywhere. Who would be sitting around your table?
It's hard to narrow down when there are so many amazing people out there fighting for solutions. (This must have been how Nick Fury felt while he was assembling the Avengers, right?) But, for us, we would try to pick people who are taking on the climate crisis in totally different — but equally incredible — ways.
Think of this collection of TED Talks as our guest list for the world's most inspiring dinner party on climate. Read on to hear from the leader of the student strike movement, climate scientists, a former president, a trained meteorologist and more.
Greta Thunberg: “Save the World by Changing the Rules”
Quotable Moment: "The year 2078, I will celebrate my 75th birthday. If I have children or grandchildren, maybe they will spend that day with me. Maybe they will ask me about you, the people who were around, back in 2018. Maybe they will ask why you didn't do anything while there still was time to act."
Dr. Katharine Hayhoe: “The Most Important Thing You Can Do to Fight Climate Change: Talk About It”
Quotable Moment: "I truly believe, after thousands of conversations that I've had over the past decade and more, that just about every single person in the world already has the values they need to care about a changing climate. They just haven't connected the dots. And that's what we can do through our conversation with them."
Dr. J. Marshall Shepherd: “Three Kinds of Bias That Shape Your Worldview”
Quotable Moment: "Take an inventory of your own biases. Where do they come from? Your upbringing, your political perspective, your faith — what shapes your own biases? Then, evaluate your sources — where do you get your information on science? What do you read, what do you listen to, to consume your information on science? And then, it's important to speak out. Talk about how you evaluated your biases and evaluated your sources."
Former President of Ireland Mary Robinson: “Why Climate Change Is a Threat to Human Rights”
Quotable Moment: "Climate justice responds to the moral argument — both sides of the moral argument — to address climate change. First of all, to be on the side of those who are suffering most and are most effected. And secondly, to make sure that they're not left behind again, when we start to move and start to address climate change with climate action, as we are doing."
Dr. Katharine Wilkinson: “How Empowering Women and Girls Can Help Stop Global Warming”
Quotable Moment: "Another empowering truth begs to be seen. If we gain ground on gender equity, we also gain ground on addressing global warming ... we can secure the rights of women and girls, shore up resilience, and avert emissions at the same time."
Sean Davis: “Lessons From How We Protected the Ozone Layer”
Quotable Moment: "We don't need absolute certainty to act. When Montreal was signed, we were less certain then of the risks from CFCs than we are now of the risks from greenhouse gas emissions… You know, I'll bet those of you who drove here tonight, you probably wore your seat belt. And so, ask yourself, did you wear your seat belt because someone told you with a hundred percent [certainty] that you would get in a car crash on the way here? Probably not."
Former U.S. Vice President Al Gore: “The Case for Optimism on Climate Change”
Quotable Moment: "We have everything we need. Some still doubt that we have the will to act, but I say the will to act is itself a renewable resource."
It's not exactly a dinner party, but we do often pull together some of the leading minds in the climate movement — including former Vice President Gore himself — for our Climate Reality Leaderships Corps trainings. (In fact, we've had Dr. Hayhoe and Dr. Wilkinson at recent trainings, too!)
Consider this your official invite to our next training. At these events, people ready to make a difference in our planet's future spend three days working with former Vice President Gore and world-renowned scientists and communicators learning about the climate crisis and how together we can solve it.
Join us and walk away knowing you have the skills, network and resources to push the needle on climate change where you live. Better yet, you'll be part of a global, twenty-first century movement for solutions. Learn more and apply to join us today!
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By Alyssa Murdoch, Chrystal Mantyka-Pringle and Sapna Sharma
Summer has finally arrived in the northern reaches of Canada and Alaska, liberating hundreds of thousands of northern stream fish from their wintering habitats.
A Good News Story?<p>On the surface, the <a href="https://doi.org/10.1111/fwb.13569" target="_blank">results from our study</a> appear to provide a "good news" story. Warming temperatures were linked to higher numbers of fish, more species overall and, therefore, potentially more fishing opportunities for northerners.</p><p>Initially, we were surprised to learn that warming was increasing the distribution of cold-adapted fish. We reasoned that modest amounts of warming could lead to benefits such as increased food and winter habitat availability without reaching stressful levels for many species.</p>
Photo of Arctic grayling (left) and Dolly Varden trout (right). Alyssa Murdoch / Lilian Tran / Nunavik Research Centre and Tracey Loewen / Fisheries and Oceans Canada<p>Yet, not all fish species fared equally well. Ecologically unique northern species — those that have evolved in colder, more nutrient-poor environments, such as Arctic grayling and Dolly Varden trout — were showing declines with warming.</p>
Fish Strandings and Buried Eggs<p>Recent news headlines run the gamut for Pacific salmon — from their increased escapades <a href="https://nunatsiaq.com/stories/article/more-pacific-salmon-showing-up-in-western-arctic-waters/" target="_blank">into the Arctic</a> to <a href="https://www.juneauempire.com/news/warm-waters-across-alaska-cause-salmon-die-offs/" target="_blank">massive pre-spawning die-offs</a> in central Alaska. Similarly, results from our study revealed different outcomes for fish depending on local climatic conditions, including Pacific salmon.</p><p>We found that warmer spring and fall temperatures may be helping juvenile salmon by providing a longer and more plentiful growing season, and by supporting early egg development in northern regions that were previously too cold for survival.</p><p>In contrast, salmon declined in regions that were experiencing wetter fall conditions, pointing to an increased risk of flooding and sedimentation that could bury or dislodge incubating eggs.</p>
Headwaters of the Wind River within the largely intact Peel River watershed in northern Canada. Don Reid / Wildlife Conservation Society Canada / Author provided<p>Interestingly, we found that certain climatic combinations, such as warmer summer water temperatures with decreased summer rainfall, were important in determining where Pacific salmon could survive. Summer warming in drier watersheds led to declines, suggesting that lowered streamflows may have increased the risk of fish becoming stranded in subpar habitats that were too warm and crowded.</p>
The Fate of Northern Fisheries<p>The promise of a warmer and more accessible Arctic has attracted mounting interest in new economic opportunities, <a href="https://doi.org/10.1016/j.marpol.2019.103637" target="_blank">including fisheries</a>. As warming rates at higher latitudes are already <a href="https://www.ipcc.ch/sr15/" target="_blank">two to three times global levels</a>, it seems probable that northern biodiversity will experience dramatic shifts in the coming decades.</p><p>Despite the many unknowns surrounding the future of Pacific salmon, many fisheries are currently <a href="https://doi.org/10.1080/03632415.2017.1374251" target="_blank">thriving following warmer and more productive northern oceans</a>, and some <a href="https://doi.org/10.14430/arctic68876" target="_blank">Arctic Indigenous communities are developing new salmon fisheries</a>.</p><p>As warming continues, the commercial salmon fishing industry is poised to expand northwards, but its success will largely depend on extenuating factors such as <a href="https://www.eenews.net/stories/1060023067" target="_blank">changes to marine habitat and food sources</a> and <a href="https://www.yukon-news.com/news/promising-chinook-salmon-run-failed-to-materialize-in-the-yukon-river-panel-hears/" target="_blank">how many fish are caught during the freshwater stages of their journey</a>.</p><p>Even with the potential for increased northern biodiversity, it is important to recognize that some northern communities may be unable to adapt or may <a href="https://thenarwhal.ca/searching-for-the-yukon-rivers-missing-chinook/" target="_blank">lose individual species that are associated with important cultural values</a>.</p>
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If you get a call from a number you don't recognize, don't hit decline — it might be a contact tracer calling to let you know that someone you've been near has tested positive for the coronavirus.
Interviews With Contact Tracers<p>Contact tracing is a public health strategy that involves identifying everyone who may have been in contact with a person who has the coronavirus. Contact tracers collect information and provide guidance to help contain the transmission of disease.</p><p>It's been used during outbreaks of sexually transmitted infections (STIs), Ebola, measles, and now the coronavirus that causes COVID-19.</p><p>It starts when the local department of health gets a report of a confirmed case of the coronavirus in its community and gives that person a call. The contact tracer usually provides information on how to isolate and when to get treatment, then tries to figure out who else the person may have exposed.</p><p>"We ask who they've been in contact with in the 48 hours prior to symptom onset, or 2 days before the date of their positive test if they don't have symptoms," said <a href="https://case.edu/medicine/healthintegration/people/heidi-gullett" target="_blank">Dr. Heidi Gullett</a>, associate director of the Center for Community Health Integration at the Case Western Reserve University School of Medicine and medical director of the Cuyahoga County Board of Health in Ohio.</p>
“You’ve Been Exposed”<p>After the case interview, contact tracers will get to work calling the folks who may have been exposed to the coronavirus by the person who tested positive.</p><p>"We give them recommendations about quarantining or isolating, getting tested, and what to do if they become sick. If they're not already sick, we still want them to self-quarantine so that they don't spread the disease to anyone else if they were to become sick," said Labus.</p><p>Generally, the contact tracer won't ask for additional contacts unless they happen to call someone who is sick or has a confirmed case of the virus. They will help ensure the contact has the resources they need to isolate themselves, if necessary. The contact tracer may continue to stay in touch with that person over the next 14 days.</p><p>"We follow the percentage of people that were contacts, then converted into being actual cases of the virus. It's an important marker to help us understand what kind of transmission happens in our community and how to control the virus," said Gullett.</p>
Why You Should Participate (and What Happens If You Don’t)<p>A <a href="https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(20)30457-6/fulltext" target="_blank">Lancet study</a> from June 16, which looked at data from more than 40,000 people, found that COVID-19 transmission could be reduced by 64 percent through isolating those who have the coronavirus, quarantining their household, and contacting the people they may have exposed.</p><p>The combination strategy was significantly more effective than mass random testing or just isolating the sick person and members of their household.</p><p>However, contact tracing is only as effective as people's willingness to participate, and a small number of people who've contracted the coronavirus or were potentially exposed are reluctant to talk.</p><p>"Contact tracers have all been hung up on, cussed at, yelled at," said Gullet.</p><p>The hesitation to talk to contact tracers often stems from concerns over privacy — a serious issue in healthcare.</p>
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