Human influence now touches every corner of Earth—from microplastics in rainforest wildlife to artificial light in the Arctic Ocean. In this context, what even is 'nature'? And should we use technology to make the world more 'natural'? MIT Technology Review's new Nature Issue tackles these questions head-on, blending investigative reporting, science fiction, and hard-nosed economics.

The Big Picture

Nature vs. Tech: The Costly Race to Fix What We Broke

The Nature Issue doesn't shy away from uncomfortable truths: it investigates birds that can't sing, wolves that aren't genetically wolves, and grass that isn't grass. But beneath the scientific curiosity lies a stark economic reality: environmental degradation has a cost we're already paying, and technological solutions—from nuclear fusion to large language models—promise to be both part of the problem and part of the cure.

rainforest canopy with haze
rainforest canopy with haze

A new study published in *Nature Energy* puts numbers to one of the biggest promises: fusion power. Even if the technology takes off, costs may not fall as fast as hoped. The research team estimated fusion's 'experience rate'—the percentage by which costs decline every time capacity doubles—and the projections are sobering. This suggests that fusion, while clean, could remain expensive for decades.

Fusion power promises clean energy, but a new study warns its costs may not fall as quickly as expected, delaying commercial viability.