Yesterday broke the all-time 🇨🇦 high. What a timely day for @NRCan to release Canada’s National Issues Report that explains what climate change means to us here in the rapidly-thawing north. A brief thread ... #ChangingClimate @Environmentca @CanadaAdapts changingclimate.ca/national-issues
Background: In 2019, Canada’s Changing Climate (part 1) showed that Canada's warming 2x faster than the rest of the world. Weather extremes are intensifying and coastal flooding is increasing as sea level rises. What's new in part 2? 6 key conclusions:
changingclimate.ca/CCCR2019/
1. The infrastructure, health and well-being, cultures and economies of communities of all sizes across the country are already experiencing the impacts of climate change. While local action to reduce climate-related risks is on the rise, many lack the capacity to act.
2. You might think water & forests are the least of our problems…but no, climate change is affecting them too. The report highlights the importance of nature-based approaches to adaptation that maintain or restore ecosystems, like @natureunited’s amazing Emerald Edge project
If you'd like to know more about the Emerald Edge project with First Nations in BC, see nature.org/en-us/about-us…
3. We’re a northern country, so we get a few benefits from a warmer world … but these are outweighed by the negatives. Overall, climate change will cost our economy, from disrupting supply chains to putting infrastructure and health at risk.
4. Climate change doesn’t stop at the border. What other countries are - or aren’t - doing to adapt their food and resource systems will affect us through both trade and immigration.
5. Many orgs, cities and provinces are already building resilience to climate impacts but large gaps remain. We see this first-hand through the record heat today, as well as recent floods and wildfire. Accelerating progress is vital for Canada’s economic and social well-being.
6. Lastly, it highlights how much we have to learn from each other on good practices: collaboration, incorporating diverse perspectives, and recognizing how much Indigenous Knowledge Systems have to bring to the table.
The next report will take a closer regional look at the different parts of Canada. However, this already highlights the unique strengths and barriers to action we have, emphasizing the need to act - NOW and TOGETHER.

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More from @KHayhoe

23 Jun
First, remember this is a synthesis report of the peer-reviewed literature. So these results were already out there: sea level rise accelerating; drought, heavy rain & extreme heat risks soaring, massive wildfires. They just hadn't been pulled together into one overwhelming list.
To those of us immersed in the field, the @IPCC's conclusions are no surprise; but for many, it's not until they see it all together, with the impacts on human life clearly laid out, that the penny drops. That's why these reports are so important and so powerful.
We are conducting an unprecedented experiment with the only home that we have. As far back as we can go in the paleoclimate record, there's no example of this much carbon going into the atmosphere this fast. Source: science2017.globalchange.gov/chapter/4
Read 18 tweets
16 Jun
Yes, we get heatwaves in summer. But climate change is loading the dice against us, making them bigger and stronger and longer ... and more deadly. Read more here: cnn.com/2021/06/16/wea…
How much worse is climate change making heatwaves? That depends on where and when: from 3-5F hotter for extreme heatwaves in the Southwest US to 600x more likely for the unprecedented Siberian heatwave from last summer. Sources: crd.lbl.gov/assets/Uploads… & worldweatherattribution.org/siberian-heatw…
Read 4 tweets
10 Jun
As you know, there's a lot of trolling and hate on social media. Do you know of any studies that (a) analyze it, and (b) show whether such attacks expand offline? Not looking for studies on the spread of disinformation; asking more about the nature and scope of ad hom attacks.
Here's one example of how online abuse can be correlated with offline abuse; wondering if there are more, and if anyone has studied this? macleans.ca/politics/ottaw…
Often, the attacks that jump the gap from online to in person are profoundly misogynistic. huffpost.com/entry/anita-sa…
Read 4 tweets
4 Jun
Natural climate solutions can reduce 11% of Canada’s emissions (up to 78 MTCO2e per year) - new study by @natureunited_ca, the @nature_org of Canada, just released today. cc @cathmckenna @ElizabethMay @JonathanWNV @DavidSuzukiFDN natureunited.ca/what-we-do/our…
When we hear "Canada" we usually think "forests" ... but the analysis found the greatest potential for carbon storage in our agricultural lands through cover crops, nutrient management, agroforestry and more, with additional contributions from wetlands + grasslands.
In Canada we have a national + rapidly increasing price on carbon; so the study also looked at which measures are currently affordable & which will become affordable as carbon prices rise over the next decade.
Read 4 tweets
13 May
The emphasis on personal responsibility is one that other big oil and gas companies have used as well. Exxon, BP and Shell are 3 of the 20 companies responsible for 1/3 of global carbon emissions since 1965. (source: Heede, theguardian.com/environment/20…) ...
Here "three experts point to the history of the carbon footprint, a tool that tells you how much pollution you are creating. The fossil fuel industry, particularly BP, pushed this concept onto the masses in a hugely successful marketing effort 20 yrs ago." discovermagazine.com/planet-earth/h…
Just a few months ago, @Shell paid to have this tweet emphasizing personal responsibility promoted into my timeline. I replied.
Read 13 tweets
20 Apr
Love that we are talking about the importance of communication in science in our #vEGU21 session! I summarized my best advice to fellow scientists at a @Lamont_Doherty talk this past year, watch here:
In a nutshell:

1. Set a limit on your time, or you can be overwhelmed.
2. Focus on what YOU are good at! Writing like @KA_Nicholas? Vids like @ClimateAdam? Ice hockey, like Gabe Vecchi? princeton.edu/news/2021/03/2…
3. Don't be distracted by the seven-percenters.
Read 6 tweets

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