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renewable energy

  • UpTrust AdminSA•...

    What's actually happening with renewables? Hype, revolution, or both?: Nuclear advocates

    The comparison nobody wants to make France generates 70 percent of its electricity from nuclear power. Grid emissions: 56 grams of CO2 per kilowatt-hour. Electricity cost: roughly 20 euro cents....
    renewable energy
    energy policy
    nuclear energy
    climate change mitigation
    Comments
    0
  • UpTrust AdminSA•...

    What's actually happening with renewables? Hype, revolution, or both?: Transition realists

    The layering In 1900, coal provided 95 percent of commercial energy. Oil was a curiosity. Then the internal combustion engine arrived. Within fifty years, oil dominated transportation. Coal was finished, right? Global coal consumption in 2023: 8.5 billion tonnes. Highest ever....
    renewable energy
    energy policy
    political economy
    energy transitions and history
    Comments
    0
  • UpTrust AdminSA•...

    What's actually happening with renewables? Hype, revolution, or both?: Grid realists

    6:47 PM At 6:47 PM on September 8, 2020, the California Independent System Operator ordered rolling blackouts. Temperatures above 110 degrees. Air conditioners at maximum. The sun was setting. Solar dropping toward zero. Wind negligible. Two million people lost power....
    renewable energy
    nuclear energy
    energy storage and batteries
    electrical grid reliability
    energy policy and transition
    Comments
    0
  • UpTrust AdminSA•...

    What's actually happening with renewables? Hype, revolution, or both?: Renewable advocates

    The verdict on the projections In 2010, the IEA projected 26 gigawatts of solar by 2020. The world installed 135. By 2023, annual installations hit 420 gigawatts — a number the 2015 models did not expect until after 2040....
    renewable energy
    electric grid integration
    energy policy and geopolitics
    energy storage and batteries
    solar energy
    Comments
    0
  • UpTrust AdminSA•...

    What's actually happening with renewables? Hype, revolution, or both?: The Story

    The cheapest electricity in history In 2024, a solar panel cost less per kilowatt-hour than a coal plant in every major economy on Earth. The International Energy Agency, which had underestimated solar deployment every single year for fifteen consecutive years, called solar "the...
    climate change
    renewable energy
    energy policy
    energy economics
    electric power systems
    Comments
    0
  • UpTrust AdminSA•...

    Should we go all in on nuclear energy?: Portfolio pragmatists

    48.7 gigawatts January 17, 2024. London, minus four Celsius. Sun set three hours earlier. Wind: 2 percent of installed capacity. Demand: 48.7 gigawatts. Gas turbines flat out. Nuclear at full output. Emergency demand response activated....
    renewable energy
    energy policy
    energy storage
    electricity grid reliability
    nuclear power
    Comments
    0
  • J
    Venezuela only has a window of opportunity of maybe 5 to 10 years to make money off its oil. Solar and battery technology is catching up fast, and if the country waits too long, its oil resources will no longer be worth much. It will need every cent it can get to repair its economy.
     
    The status quo of continued sanctions and embargoes would mean missing this window of opportunity entirely. It would be quite tragic for a country to have had a devastating fight with its close neighbour over a resource that has such a limited shelf life only to end up with nothing.
     
    Crucially, this means the government and investors must be incredibly disciplined. They should only invest as much capital as can generate a full return on investment within this short timeframe. Sinking billions into long-term infrastructure that takes decades to pay off would be a secondary disaster if global demand disappears before the debt is cleared.
     
    Venezuela needs to be forward-thinking and prepare for the day the oil is not worth extracting. On the bright side, the country will be free from its resource curse one way or another within the decade.
     
    Against that backdrop, a final question seems unavoidable: when people call for Venezuelans to rise up against the invasion, are they genuinely acting in the interests of Venezuelans, or are they mainly expressing their own tribal or ideological instincts?
    Eric Stevens•...
    This is a thoughtful analysis, but I think there is a missing layer that changes how we answer the final question. First, when we talk about renewable energy, we need to be honest about what it is made of....
    renewable energy
    economic development
    geopolitical strategy
    petrochemical industry
    venezuelan economy
    Comments
    0
  • jordan avatar

    What cool new technologies are you seeing emerge? How do we know we can trust them? Curious about all, but I'd especially love to see non-AI versions, like:

    • New batteries for solar: storing heat in big piles of dirt
    • A while back Tommy mentioned cowfart backpacks
    • Maybe it's something old for you, but we're not in your field so we don't know about it yet

    Even though a lot of what we share won't make it, for a variety of reasons, I always find get an overview of the cool stuff humans are creating really inspiring and hopeful.

    jordanSA•...
    super, this is really great to hear! an acquaintance of mine drilled a geothermal well for his house in East Austin about a decade ago. It was hard to find the people for it and he kinda had to DIY it— I bet there's a good business opportunity here with lots of positive...
    renewable energy
    business opportunities
    geothermal technology
    Comments
    0
  • jordan avatar

    What cool new technologies are you seeing emerge? How do we know we can trust them? Curious about all, but I'd especially love to see non-AI versions, like:

    • New batteries for solar: storing heat in big piles of dirt
    • A while back Tommy mentioned cowfart backpacks
    • Maybe it's something old for you, but we're not in your field so we don't know about it yet

    Even though a lot of what we share won't make it, for a variety of reasons, I always find get an overview of the cool stuff humans are creating really inspiring and hopeful.

    stephen•...
    IIRC the Ocean Cleanup Project has begun operating and is actually pulling quite a bit of plastic out, scaling up. It's not exactly new tech, but it's encouraging. They might actually clean up the Pacific Garbage Patch within several years....
    renewable energy
    environmental technology
    geothermal energy
    ocean conservation
    Comments
    0
  • jordan avatar

    Finally they learned to cut off people's mics. Hot take: If the media wasn’t so Green and did this in 2016, I think Hillary would have won.

    jordanSA•...
    Yeah for a couple of decades I’ve felt like we’ve been missing a "moonshot" to rally behind, and that that moonshot should be not just renewable energy cheaper than oil/gas, but free or positive sum energy....
    public policy
    healthcare
    renewable energy
    global initiatives
    Comments
    0
  • jordan avatar

    When it comes "the global warming debate," there are often third ways that are ignored. Often the framing is global warming and climate deniers or something like that.

    but it seems like there are obviously multiple perspectives here, and these two black and white boxes keep us from really seeing potential solutions.

    Bjorn Lomborg for example believes in man-made climate change, but also doesn’t like the alarmism. Although he cherry picks data like he accuses others of, he also I think rightfully points out lots of flaws in the arguments that help us identify solutions. Much of the hurricane damage increase over time is because we’re building bigger and more expensive houses in hurricane alleys; for this problem, we can stop building there; everybody stopping flying altogether until 2100 delays increases the increase by a few weeks, so stopping flying isn’t the solution. Often the solutions are smaller, more local, less sexy: want less polar bears to die? Increase regulation on poaching. (Polar bear populations are up over the past decade because of this, apparently). I would love to identify and popularize these solutions, so they are spoken in the same breath as global warming rather than it being all gloom and doom and end of the world.

    There are real tricky questions about what we’re trying to preserve and for whom, as well. If all we care about are humans and climate migration, then building infrastructure in places like Haiti and even evolving to coal power would be more helpful.

    tommySA•...

    here’s a pretty creative global warming solution - cow fart backpacks

    environmental science
    agriculture
    renewable energy
    Comments
    0
  • jordan avatar

    When it comes "the global warming debate," there are often third ways that are ignored. Often the framing is global warming and climate deniers or something like that.

    but it seems like there are obviously multiple perspectives here, and these two black and white boxes keep us from really seeing potential solutions.

    Bjorn Lomborg for example believes in man-made climate change, but also doesn’t like the alarmism. Although he cherry picks data like he accuses others of, he also I think rightfully points out lots of flaws in the arguments that help us identify solutions. Much of the hurricane damage increase over time is because we’re building bigger and more expensive houses in hurricane alleys; for this problem, we can stop building there; everybody stopping flying altogether until 2100 delays increases the increase by a few weeks, so stopping flying isn’t the solution. Often the solutions are smaller, more local, less sexy: want less polar bears to die? Increase regulation on poaching. (Polar bear populations are up over the past decade because of this, apparently). I would love to identify and popularize these solutions, so they are spoken in the same breath as global warming rather than it being all gloom and doom and end of the world.

    There are real tricky questions about what we’re trying to preserve and for whom, as well. If all we care about are humans and climate migration, then building infrastructure in places like Haiti and even evolving to coal power would be more helpful.

    jordanSA•...
    Well said about the indifference and inaction. I feel that, and even focusing our attention on it now is a tiny attempt of mine to move out of that freeze....
    public health
    environmental sustainability
    biodiversity conservation
    renewable energy
    global cooperation
    Comments
    0
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