Caspar Donnison

@CasparDonnison

'It's not who you are underneath but what you do that defines you.' Postdoc , environmental economics, triathlon 🌎🌿🏃

Davis, CA
linkedin.com/in/caspar-donn…
Joined September 2015
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  1. Pinned Tweet
    Nov 11

    Bioenergy is an important means of achieving climate targets but how is affected by the land-use change? Our new paper explores the impact of converting agricultural land to non-food crops, finding positive results

    1 reply 3 retweets 8 likes
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  2. Retweeted
    Dec 21

    New research finds that converting traditional cropland to bioenergy crops can increase biodiversity by 75%. Benefitting birds, insects, plants and soil biodiversity. , .

    yellow butterfly perched on yellow flower in close up photography during daytime
    3 retweets 2 likes
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  3. Retweeted
    Dec 20

    Looks like we have had an interesting quake on the Mendocino fracture zone, current moment mag is 6.2. Location is just offshore from Cape Mendocino. Shaking might have been as strong as Intensity VII at the coast.

    19 replies 185 retweets 531 likes
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  4. Dec 20

    Came to Redwoods National Park for the giant coastal redwoods, just now felt the room shake as an earthquake struck! Wow.

    6 replies 13 retweets 160 likes
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  5. Retweeted
    Dec 19

    80% of barley, 60% of corn, and 30% of wheat grown in Canada (on 15 million acres) are fed to farmed animals who return only ~10% of the cal back in meat. Shifts to plant-based with rural incentives for CO2 drawdown & +biodiversity is key.

    4 replies 115 retweets 215 likes
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  6. Dec 14

    Looking out on San Francisco: public transport use is falling here, and elsewhere in the state. 70% of households here own a car, in Paris it’s under a third!

    4 likes
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  7. Dec 14

    From severe heatwaves, droughts, and record water deficits, to unprecedented wildfires, and now powerful winter storms. All in a year in California. The drives extreme weather.

    A Winter Storm Warning has been issued for elevations above 1,000 ft - 2,000 ft from Wednesday morning through Thursday morning. Foothill & mountain travel will be hazardous and is HIGHLY discouraged! Roads: Forecast:
    1 retweet 2 likes
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  8. Retweeted
    Dec 14

    One rule for us No rules for them

    465 replies 8,509 retweets 34,776 likes
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  9. Retweeted
    Dec 13

    “35%, the proportion of households that owned a car in Paris in 2019, a drop from 60% in 2001.” —'s hopeful fact of the day

    2 replies 32 retweets 113 likes
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  10. Retweeted
    Dec 13

    Downtown Sacramento has BROKEN its daily precipitation record with 1.87" of rain so far today and it's still raining! This breaks the old record of 1.73" set in 1915. Stay tuned for the final number!

    11 replies 153 retweets 722 likes
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  11. Retweeted
    Dec 13

    Phew 😅.... 3 yrs later my paper w/ in finally out. We ask: How can California treat 1 million acres for wildfire risk? And what are the climate tradeoffs? We looked at the big picture: 1/

    6 replies 48 retweets 168 likes
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  12. Retweeted
    Dec 9

    New research in , shows that biodiversity increases 75% after land-use change from food-based agriculture to non-food bioenergy crops. Bird abundance increased 81% percent & bird species richness increased 100%

    white and brown bird on green grass
    3 retweets 5 likes
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  13. Dec 7

    Two years ago & I were traveling Davis-NYC by rail, in an effort to reduce emissions of our Christmas trip to the UK. It was an incredible journey across the country: journeying through 10 states in the company of really interesting people.

    0:04
    We're off! & I depart Davis, California for New York with the California Zephyr. We'll stop over for a night in Chicago after 50 hrs. Updates en-route of our flightless journey. Has anyone done this route, ?
    1 retweet 2 likes
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  14. Dec 3

    A good quote from today's talk given by , president of the Brazilian Agricultural Research Corporation (Embrapa).

    1 like
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  15. Retweeted
    Dec 2

    In this week's network newsletter: Decision making in government + industry crops better for than food-based agriculture guarantee Plus jobs, funding and events

    2 retweets 3 likes
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  16. Retweeted
    Nov 30

    "The GDP figures we’re using to measure economic success also measure the rate at which we're barrelling towards climate catastrophe" I set out the case for moving to a in first-ever Commons debate on the issue

    42 replies 608 retweets 1,735 likes
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  17. Nov 30

    Taking the electric bus today. Very smooth ride direct to Sacramento - and free to the community!

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  18. Nov 26

    How do dedicated crops affect ? and I wrote a story for on the positive findings of our recent meta-analysis paper.

    1 retweet 5 likes
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  19. Retweeted
    Nov 15

    A reminder: the people in power don’t need conferences, treaties or agreements to start taking real climate action. They can start today. When enough people come together then change will come and we can achieve almost anything. So instead of looking for hope - start creating it.

    1,689 replies 14,175 retweets 66,186 likes
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  20. Retweeted
    Nov 12

    First in-person coffee social for 18 months. great to see people interacting and talking science amongst many other topics

    and
    2 retweets 12 likes
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  21. Nov 12

    We have a crisis alongside the climate crisis. Our shows there is a role for bioenergy in combating both crises: non-food crops support biodiversity (the nest below was seen at our UC Davis poplar bioenergy field).

    1 retweet
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