Investors have been pouring more money than ever into renewable energies such as solar and wind. WSJ looks at how the pandemic, lower energy costs and global politics have driven the rally–and whether it can last.

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If 34 billion dollars in capital investment would provide for the energy needs of 6 million people almost pollutant free, would you do it? That’s the question Denmark – population a touch under that 6 million – is currently answering with a resounding yes.

Green energy, as we all know, is looking likely to be one of the keys to humanity’s future. If it’s successful, it will represent a societal change with implications for the whole planet. While recycling your bottles and not leaving your TV on standby still has its place, it’s becoming increasingly clear that bigger sweeping changes are needed to redress the climate crisis.

In fact, there have already been some mammoth projects in this area. China’s Tengger Desert solar park covers 16 square miles. South Korea uses an area of a similar size to produce energy from waves, having built an artificial wall to create tidal-power generating Sihwa Lake. The UK powers around 600,000 homes with a single large wind farm off its west coast, and Canada is set to open the world’s biggest green hydrogen plant.
Denmark, though, will be taking things one step further, producing an entire offshore island with the sole aim of making a ginormous step in the country’s drive towards green energy.

Denmark’s Billion Green-Energy Island

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