Captain Planet and the Planeteers [ecology]

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Re: Captain Planet and the Planeteers [ecology]

Postby rjbman » Thu Jan 14, 2016 1:13 pm

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Re: Captain Planet and the Planeteers [ecology]

Postby sknss » Mon Feb 08, 2016 2:03 pm

For Lent I am giving up single use plastic, or doing my best to anyway. I am fed up with buying vegetables wrapped in plastic from the supermarket. Even today a lot of plastic used by shops is not recyclable! The packaging labelling system used in the UK is very clear and tells you what can or can't be recycled. It makes me sad to throw away unnecessary plastic (does a head of lettuce really need to be wrapped in plastic?). All the greens in Sainsbury's are prepacked so I will probably have to go to a local fruit and veg shop. I need my greens! We'll see how expensive this gets. I'd also like to visit a bulk shop for pasta, porridge, lentils etc.
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Re: Captain Planet and the Planeteers [ecology]

Postby sknss » Sun Feb 14, 2016 2:26 pm

Weekly shopping update:
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Loose potatoes cost £3. Potatoes in a bag are £1.75.
Oil can be bought in glass bottles I guess? Didn't even look tbh.
Garlic was £1.10 for 4 in a bag or 30p loose. Grabbed it without thinking. Next time we'll buy loose.

Loose carrots are 10p/kg more expensive so we made this terrible sacrifice.
Cauliflower was actually wrapped but we found one that lost its wrapper (lol).
Wanted to buy leeks but they were all wrapped. :[

Seems crazy that you have to pay more to get loose stuf??

Last week (before the challenge) we ordered some staples online.
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Not very happy with this tbh. Could probably buy loose cashews/lentils/oats somewhere. The last rice bag we bought came in a paper packaging.This one was plastic which is lame but no way to know by ordering online.
I don't think it's possible to buy frozen stuff and avoid plastic. Same thing with tofu/butter spread.

The facebook group I'm in recommends building up your involvement gradually. This week's theme is REFUSE:
Plastic straws
Coffee lids & plastic stirrers
Plastic bags
Polystyrene Takeaway Packaging
Plastic cutlery

Carrying a tote and a water bottle (all the hip people own a klean kanteen anyway) + the occasional tupperware/tiffin should make that easy peasy!

If you have any advice or comments I'd love to hear them!
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Re: Captain Planet and the Planeteers [ecology]

Postby vgtbls » Tue Feb 23, 2016 1:50 pm

http://www.pbs.org/newshour/art/artist- ... tercolors/

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“Landscape of Change” uses data about sea level rise, glacier volume decline, increasing global temperatures, and the increasing use of fossil fuels. These data lines compose a landscape shaped by the changing climate, a world in which we are now living. Photo and caption by Jill Pelto
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Re: Captain Planet and the Planeteers [ecology]

Postby sknss » Tue Mar 01, 2016 2:54 pm

:sad: It's the last week of the no plastic challenge, in which I conclude that it's impossible to be environmentally responsible if you have no money.
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Re: Captain Planet and the Planeteers [ecology]

Postby bels » Tue Mar 01, 2016 3:41 pm

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Re: Captain Planet and the Planeteers [ecology]

Postby sknss » Mon Mar 21, 2016 11:02 am

http://www.nytimes.com/2015/07/28/world ... .html?_r=0
a great story about Sea Shepherd ships chasing "the world's most notorious poacher"
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Re: Captain Planet and the Planeteers [ecology]

Postby rjbman » Sat Apr 09, 2016 12:46 pm

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Re: Captain Planet and the Planeteers [ecology]

Postby rjbman » Wed May 11, 2016 10:07 am

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Re: Captain Planet and the Planeteers [ecology]

Postby rjbman » Sat Jun 04, 2016 10:05 am

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Re: Captain Planet and the Planeteers [ecology]

Postby MxmHrpr » Mon Jun 06, 2016 2:07 pm

My current favourite energy proposal I'm keeping tabs on. Gotta flatten the duck every way possible, this seems like pumped storage but much more widely applicable geographically and adaptable to future energy demands/production evolution.

The train goes up, the train goes down: a simple new way to store energy

(Whilst I'm here, quick solar rant. V frustrated at overly optimistic PV panel enthusiasts not realising that returns to feed-in diminish with more panels. Extrapolating from their current panel economics (as they're generally early adopters) being like, "why can't everyone just go solar like me?" -- I'm a big solar bull, but this almost holier-than-thou attitude is really lazy and damaging for progressing the cause)
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Re: Captain Planet and the Planeteers [ecology]

Postby ptozzi » Mon Jun 06, 2016 7:05 pm

MxmHrpr wrote:My current favourite energy proposal I'm keeping tabs on. Gotta flatten the duck every way possible, this seems like pumped storage but much more widely applicable geographically and adaptable to future energy demands/production evolution.

The train goes up, the train goes down: a simple new way to store energy

(Whilst I'm here, quick solar rant. V frustrated at overly optimistic PV panel enthusiasts not realising that returns to feed-in diminish with more panels. Extrapolating from their current panel economics (as they're generally early adopters) being like, "why can't everyone just go solar like me?" -- I'm a big solar bull, but this almost holier-than-thou attitude is really lazy and damaging for progressing the cause)


Could you explain what you mean by the last part of your post? Isn't it just a matter of surface area? I guess there's something I'm missing here.

On an unrelated (only related en and environmental sense) note, the research I'm doing this summer is being funded by the U.S. EPA's Pollution Prevention Grant. It's a project I've seen grow over the past year so getting paid to finish it is awesome. During the year, my team and I were posed with the challenge of improving on a graduate student's design for a process to recover a nasty solvent used in the manufacture of resin precursors. Her design was a two-step distillation process which requires tons of energy in the form of high pressure steam.

We came up with a better design (I'm not supposed to disclose any details without permission) and we used an awesome technique for quantifying environmental impact called Life Cycle Assessment. We have a piece of software that is essentially a database of raw materials, which tells us the impact each material has on the environment for one kg or lb of that material. We took inventory of all the materials needed to operate our process and multiplied each number from the database by its respective annual consumption rate. Overall our design reduces emissions by over 60% compared to disposing of the waste. Hopefully I'll be the lead author on an upcoming journal paper!
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Re: Captain Planet and the Planeteers [ecology]

Postby jrisk » Fri Sep 02, 2016 9:20 pm

Well, fuck.

The UKEA study calculated an expenditure of a little less than two kilograms of carbon per HDPE bag. For paper bags, seven uses would be needed to achieve the same per-use ratio. Tote bags made from recycled polypropylene plastic require 26, and cotton tote bags require 327 uses.


http://www.theatlantic.com/technology/archive/2016/09/to-tote-or-note-to-tote/498557
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Re: Captain Planet and the Planeteers [ecology]

Postby ptozzi » Sat Sep 03, 2016 11:13 am

jrisk wrote:Well, fuck.

The UKEA study calculated an expenditure of a little less than two kilograms of carbon per HDPE bag. For paper bags, seven uses would be needed to achieve the same per-use ratio. Tote bags made from recycled polypropylene plastic require 26, and cotton tote bags require 327 uses.


http://www.theatlantic.com/technology/archive/2016/09/to-tote-or-note-to-tote/498557


This actually is super-related to the research I've been doing for the past year. I haven't read the article but I guarantee you they used the method of analysis I mentioned in my previous post in this thread, Life Cycle Assessment/Life Cycle Analysis (LCA). I'm going to speculate the reason why paper is worse is due to the emissions released by the heavy machinery used to cut down trees, as well as the fact that trees use CO2 as food (more or less) and cutting some down is essentially the same as releasing the CO2 they would consume over the course of the remainder of their life. Beyond that, the trees need to be processed just as crude oil would be to manufacture plastic bags. Plastic totes are still best though, who doesn't use a plastic tote at least 26 times? If you grocery shop once a week that's only half a year. Cotton totes are bad though, I don't think a cotton tote would last 6+ years.
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Re: Captain Planet and the Planeteers [ecology]

Postby sknss » Thu Nov 10, 2016 3:07 pm

this was pretty good

feat. guy mcpherson who believes the human species is going to disappear by 2030 and now lives off the grid in new mexico :grin:
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Re: Captain Planet and the Planeteers [ecology]

Postby rjbman » Tue Nov 29, 2016 10:55 pm

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Re: Captain Planet and the Planeteers [ecology]

Postby rjbman » Thu Dec 29, 2016 11:01 am

5 Things You Can Do About Climate Change

>Join with others.
>Advocate for federal action.
>Support state and local action.
>Take action at work.
>Talk to your friends, family and peers.
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Re: Captain Planet and the Planeteers [ecology]

Postby rjbman » Sun Mar 26, 2017 10:56 am

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Re: Captain Planet and the Planeteers [ecology]

Postby dakaf_fal » Sun Apr 23, 2017 1:44 pm

I made it down to DC yesterday to attend the March for Science. Despite the poor weather, there was a strong turnout and good vibes all around. I was pleasantly surprised at the scarcity of counter-protestors, since I've heard from friends who attended the Women's March that things got a little dicey. I also saw the most people walking around in lab coats since the last time I wandered through Otakon. By the end of the day I was quite jealous of the brain hats though- they looked very warm and comfortable. Small album of cellphone pics below:

Spoiler:
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@rjbman Thanks for the heads up. For some reason the I can't the album to work, so I posted a few images individually.
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Re: Captain Planet and the Planeteers [ecology]

Postby rjbman » Thu May 18, 2017 5:12 pm

Y'all I been reading a lot of articles lately and I'm fucking scared - there's dozens of different hypotheses about what rising temperatures will bring and they're all apocalyptic disasters

The Doomsday Glacier - rising sea levels are going to release some of Antarctica's 70% share of Earth's freshwater into the ocean, causing Hurricane Sandy-like ocean swelling without the retreat.

There are diseases hidden in ice and they are waking up - Long-dormant bacteria and viruses, preserved in the permafrosts of Siberia, are being uncovered; some are resistant to antibiotics, even the last-resort antibiotics.

What If Climate Scientists Are Guessing Wrong? - Many climate-change deniers point to a lack of certainty about how the climate change will affect humanity (do you need to know what exactly happens to your body when you get hit by a car to know it's bad news?). What if, instead of overestimating the effects of climate change, they're underestimating?
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Re: Captain Planet and the Planeteers [ecology]

Postby rjbman » Fri Dec 01, 2017 7:18 pm

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