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Opinion

Hunting sky islands for genetic clues to climate resilience

OPINION: Isolated mountaintops are hotbeds of evolutionary adaptation and great places to study how climate change affects ecosystems

Soda taxes can’t reverse the obesity epidemic

OPINION: They might be able to help, but only if well-designed and in combination with other policies

The hidden threat from rising coastal groundwater

OPINION: Sea level rise won’t hit just homes on shorefronts, but also the infrastructure beneath our feet

Forests are under attack from invasive species

OPINION: International commerce and travel bring ecological destruction to the world’s most cherished natural places. We need to do more to stop the assault.

Abandon the idea of ‘great green walls’

OPINION: The notion of planting miles of trees to hold back encroaching deserts is misguided and damaging; we should promote programs that secure livelihoods and respect dryland ecologies instead

Why one deforestation solution has yet to stop massive tree loss

OPINION: Zero-deforestation supply-chain commitments aren’t protecting tropical forests as much as hoped. But they might, if the same standards were applied to domestic and export markets.

Our oceans’ future: Hot and troubled

OPINION: Ocean warming, acidification and deoxygenation due to climate change — as well as pollution and development — threaten our global waters, but disaster is far from inevitable

We need to stop bugs at the border

OPINION: Trade and travel come with a shared responsibility for biosecurity

What is the protein of the future?

OPINION: It’s sustainable, nutritious and delicious. Scientists need to ramp up efforts to meet this urgent need.

Europe should shape the clean fuel market now

OPINION: For the world to hit its climate goals, the European Union needs to take the lead, ditch coal and write the rule book for green hydrogen

Pricing groundwater will help solve California’s water problems

OPINION: The state’s Sustainable Groundwater Management Act is a great opportunity — if it goes far enough

Russia is guilty of ecocide

OPINION: All perpetrators of environmental destruction should be held accountable

Make electric vehicles affordable for the rest of us

OPINION: EV subsidies are poorly designed and mostly benefit the rich. Some simple changes could make them more effective and equitable.

The creative way to pay for wildlife recovery

OPINION: ‘Pragmatic rewilding’ restores damaged ecosystems and harnesses private money, with benefits for all

Don’t let climate change take all the blame

OPINION: The climate crisis is a massive problem, but when politicians fault it entirely for every disaster, attention is deflected from local measures that might build resiliency. That needs to change.

Let’s keep meetings virtual after Covid

OPINION: We don’t want to go back to living on planes and out of suitcases. Virtual meetings are cheaper, more accessible and better for the planet.

Save the microbes!

OPINION: Recent data suggest that microbial diversity is under threat — which puts the entire planet at risk

10 years after the nuclear meltdown at Fukushima Daiichi, I’m still worried

OPINION: The cleanup of the past decade at the Japanese power plant could be set back if authorities don’t properly handle a massive stockpile of contaminated water

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