United States

A household heat pump

California to install 6 million heat pumps by 2030

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In 2022, California Gov. Gavin Newsom set a goal for the world’s fifth-largest economy to deploy 6 million heat pump units by 2030. Last week, the California Heat Pump Partnership announced the nation’s first statewide blueprint to achieve the state’s ambitious goals for deploying heat pumps, a critical tech for decarbonizing buildings and improving public health. Looking beyond the 2030 target, the Golden State ultimately needs to deploy an estimated 23 million heat pumps to decarbonize its residential and commercial sectors by 2045.

Minneapolis at night

Minneapolis to become first city in North America to own and operate biochar facility

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Biochar is a specialized charcoal created by heating wood waste to 700 degrees in a low-oxygen environment. The Minneapolis biochar facility will have the capacity to annually: process over 3,000 tons of wood waste, produce over 500 tons of biochar, and remove nearly 3,700 tons of carbon dioxide (the equivalent of taking over 789 cars off the road). Construction is expected to begin this spring with biochar production beginning in the summer or early fall.

A medical professional preparing an injectable syringe for an article about lenacapavir HIV prevention

Annual jab for HIV protection passes trial hurdle

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An annual injection designed by California’s Gilead Sciences to guard against HIV has completed an important early safety trial, researchers report in The Lancet medical journal. Lenacapavir stops the virus from replicating inside cells. For the trial, 40 people without HIV were injected into the muscle with lenacapavir, with no major side effects or safety concerns. And after 56 weeks, the medicine was still detectable in their bodies. If future trials go well, it could become the longest-acting form of HIV prevention available.

Monarch butterfly

Eastern monarch butterfly population nearly doubles in 2025

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The population of eastern monarch butterflies – which migrate from Canada and the US to Mexico during the winter – has nearly doubled over the last year, according to a recent report commissioned in Mexico, generating optimism among nature preservationists. The growth in numbers for the orange-and-black butterflies follows years of ongoing conservation efforts – and perhaps provides a sliver of optimism after otherwise discouraging long-term trends for the species.

Close-up of a human eye with clear cornea, for an article about stem-cell cornea transplant research in Japan

Stem cell therapy trial reverses “irreversible” damage to cornea

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A new study conducted by scientists at Massachusetts Eye and Ear investigated a new treatment that removes stem cells from a patient’s uninjured eye, growing their population in the lab for a few weeks, then surgically transplanting them into the injured eye. The phase 1/2 trial recruited 14 patients to undergo the procedure. By the first checkup at three months, the corneas of seven (50%) of the participants had been completely restored. By the 12-month mark, that number had increased to 11 (79%) patients.

California now has more EV charging ports than gas nozzles

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California has steadily amassed its EV charging network with both public and private charging ports over the last few years. In 2024, California boasted 178,500 total EV ports compared to around 120,000 estimated gas nozzles, according to the California Energy Commission. The number of accessible chargers across California has nearly doubled since 2022. Since August, the last time these figures were publicly updated, the state has recorded roughly 26,000 additional publicly accessible EV chargers.

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More than 100,000 pounds of trash removed from the Arctic since 2021

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Over 50,000 pounds of trash have been removed from the Arctic in 2023 alone after a multilateral effort flooded critical northern ecosystems with volunteers. Working during the brief Arctic summer, clean-up operations were carried out in Alaska, Greenland, Norway, and Iceland. Nearly 2,000 volunteers were enlisted across the treaty nations of the Arctic Council, an inter-governmental panel on peaceful and sustainable use and protection of the Arctic zone formed by the nations that pierce its frozen bordersand the Indigenous peoples that call it home.

Two people holding hands

U.S. approves “milestone” Parkinson’s treatment for 2025 release

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The treatment, which will be sold under the name Onapgo, is essentially a subcutaneous – under the skin – device that allows for continuous infusion of the dopamine agonist apomorphine hydrochloride to reduce ‘off’ episodes. These episodes are periods during the day and night when lepodova medication wears off and adverse motor-function symptoms become amplified. In trial, Onapgo significantly reduced these daily off episodes by an average of 2.47 hours, compared to the placebo treatment.

A doctor reviewing a prescription pad in a clinical setting for an article about non-opioid pain drug approval

FDA approves first non-opioid pain drug in more than 20 years

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The FDA’s approval of Journavx (suzetrigine), a first-in-class non-opioid pain drug, marks the most significant shift in acute pain treatment in over two decades. Developed by Vertex Pharmaceuticals, the drug blocks a specific sodium channel in the peripheral nervous system, stopping pain signals before they reach the brain without engaging the opioid pathways linked to addiction and overdose. Two rigorous clinical trials confirmed its effectiveness for moderate to severe acute pain. With more than 500,000 opioid overdose deaths in the U.S. since 1999, this approval offers patients and doctors a genuinely new choice — one that treats real pain without the shadow of dependence.

A variety of LGBTQ+ pride flags

Michigan expands hate crime law to protect LGBTQ+ identities

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Michigan Gov. Gretchen Whitmer has signed a bill adding sexual orientation and gender identity to the state’s hate crime law, along with a companion bill amending sentencing guidelines for hate crimes. The 1988 ethnic intimidation law initially applied only to religion, ethnicity, and race. The new law adds LGBTQ+ identities, as well as sex, age, disability, national origin, and affiliation with these groups. A first offense for committing a hate crime against one of the protected classes is punishable with a fine of $5,000 and/or up to two years behind bars.