Optimists Unite

The technology is still too expensive to rely on to fight climate change.

Renewables are now the second-largest source of US electrical generation behind natural gas, which fell to 39.4% in March.

Cars, trucks and SUVs in the U.S. keep getting older. A study published Wednesday says U.S. vehicles hit a record average age of 12.6 years in 2024 as people hang on to their rides largely because new ones cost so much.

In late March, there were 37 wind-powered along with 11 wind-ready ships which have a combined total of 2.5 million dwt, IWSA revealed.

New evidence shows the UK can get a good deal on Net Zero at minimal cost to people and the economy, with the co-benefits of improved homes, reduced bills and 250,000 more jobsThe UK could meet its 2030 net zero targets with £6-8bn of public sector investment a year, finds new analysis by the Smith ...

Germany added approximately 1 GW of new solar capacity in April and 4.9 GW in the first four months of this year, according to the Federal Network Agency (Bundesnetzagentur). The country's total PV capacity now stands at 87.6 GW.

Portugal has made huge progress in renewable power, up from 27 per cent in 2005 and 54 per cent in 2017.

Sandhill cranes are returning to the Lake Tahoe basin after a century long hiatus in what many say is a conservation success story.

Federal officials say the number of fish on the government’s overfishing list sunk to a new low last year in a sign of healthy U.S. fisheries.

Booming wind and solar meant a record-breaking 30% of the world’s electricity was produced by renewables last year, new data shows.

In the heart of sun-soaked Morocco, scientists are cultivating a future where tough crops defy a relentless drought, now in its sixth year.

In a first-ever human clinical trial of four adult patients, an mRNA cancer vaccine developed at the University of Florida quickly reprogrammed the immune system to attack glioblastoma, the most aggressive and lethal brain tumor.

A major landmark study reveals that global immunization efforts have saved an estimated 154 million lives – or the equivalent of 6 lives every minute of every year – over the past 50 years. The vast majority of lives saved – 101 million – were those of infants.

For years, the number of homeless people has been rising in Europe. But not in Finland. The country's Housing First program aims to eliminate the problem by 2027. But how?

You may be under the impression the world isn't making much progress on tackling climate change. But several recent data points suggest the energy transition is happening, often faster than even some experts have predicted.

Coming out of the Covid-19 pandemic, the United States is seeing higher rates of marriage and lower rates of divorce. Experts explain why that may be.

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In a major clean energy benchmark, wind, solar, and hydro exceeded 100% of demand on California's main grid for 69 of the past 75 days.

2023 data shows that political leadership and strong policies work in reducing forest loss, yet the world remains off track to meet 2030 forest goals, according to Global Forest Watch’s annual data analysis

Michael Mann points to prehistoric catastrophes, modern environmental victories.