Comment

Scientists must push back against the threat of rising white nationalism and the dangerous and pseudoscientific ideas of eugenics.

Evidence shows that science and scientists remain highly trusted. But genuine scientific voices are not shouting loud enough over the noise to hold sway.

Without clear protocols to catch errors, artificial intelligence’s growing role in science could do more harm than good.

Overcoming these obstacles in carbon markets can speed up decarbonization.

The sudden withdrawal of almost half of global funding for nutrition suddenly will have dire consequences for decades.

Interventions involving bacteria or fungi could help to sequester greenhouse gases, create more sustainable products and clean up pollution — in ways that are economically viable and safe.

As glaciers begin to disappear, technological fixes to slow or halt ice melt are emerging. But regulations are urgently required before these fixes are used widely.

Why failing to control defunct satellites leaves everyone at risk from their impacts.

Failure to agree on global grants to help low- and middle-income countries to achieve net-zero emissions cannot be the end of the story. An urgent solution is needed.

A project that intertwines data on weather, water flow and energy demand to create a 3D model of the whole river basin would enable researchers and others to make water-management decisions in real time.

Tiny plastic particles are being found everywhere, including in the human brain. But it is not yet clear which findings can be trusted and what they might mean.

As the European Union’s Artificial Intelligence Act takes effect, AI systems that mimic how human teams collaborate can improve trust in high-risk situations, such as clinical medicine.

Scientists must commit to engaging with the communities they want to help at all stages of the research process — from planning to dissemination.

Promising methods are emerging to reduce emissions, resource use and waste from construction industries.

After years of storytelling and running classes and festivals, I’ve seen first-hand how a love of nature makes people want to protect it.

The nation must lose its tight focus on individual disciplines if it is to keep pace with the evolving requirements of scientific enquiry.

How a Swiss lawsuit is recasting agriculture’s role in climate policy.

A group of scientists who are experts at spotting fraudulent research outline five essential steps to combat industrialized scientific misconduct.

The secure and ethical use of genetic testing can assist family reunifications in Ukraine and other settings for humanitarian disasters.

Children and teenagers bring unique value to research as advisers and participants — raising ethical and practical issues about how best to compensate them.