Today’s Solutions: December 18, 2025

Science

From mathematics and AI to medicine and psychology, The Optimist Daily features the latest news on discoveries, technological advances, and breakthroughs in the world of science. Our Science section is here to engage and enlighten you.

President Trump can’t st

President Trump can't stop U.S. coal plants from retiring

More U.S. coal-fired power plants were shut in President Donald Trump’s first two years than were retired in the whole of Barack Obama’s first term, despite the Republican’s efforts to prop up the industry to keep a campaign promise to coal-mining Read More...

India to add 50 percent more s

India to add 50 percent more solar capacity in 2019 compared to previous year

Aligning with its efforts to build 100 GW of solar capacity by 2022, India will add 14 GW of solar-generated energy to its power grid in 2019. That’s 50 percent more than last year’s addition and will take India’s installed solar capacity to about 38 GW by the end of the year. The remarkable Read More...

Denmark conglomerate sells off

Denmark conglomerate sells off the country’s last oil company for $7.45 billion

Transport and logistics conglomerate A.P. Moller-Maersk has sold off Denmark’s last oil firm. Total — the French multinational considered to be one of the world’s seven “supermajor” oil companies — will pay $7.45 billion, in a deal expected to close next Read More...

Turkish chemist invents enviro

Turkish chemist invents environmentally friendly deicing compound for roads

After a six-year research and development process, a Turkish chemist invented a special chemical compound that is 10 times more effective than road salt, which is used by municipalities for deicing purposes on roads and Read More...

California set a goal of 100 p

California set a goal of 100 percent clean energy, and now other states follow

It’s been less than four months since California committed to getting all of its electricity from climate-friendly sources by 2045. But the idea is already catching on in other Read More...

China launches subsidy-free so

China launches subsidy-free solar, wind power after project costs fall

China will launch a series of subsidy-free wind and solar projects this year to take advantage of a rapid fall in construction costs since 2012 and tackle a gaping payment backlog, the country’s top planning agency said Read More...

This interactive graphic shows

This interactive graphic shows which countries are leading the EV game

A new study has analyzed the charging infrastructure of member countries of the International Energy Agency to find out which road networks are better prepared for a cleaner, more renewable future. Here you can find an interactive graphic presenting some other compelling facts about the Read More...

Closing Colorado coal would sa

Closing Colorado coal would save $2.5 billion

Coal-fired generation is on the way out in America’s electricity sector, pushed further and further from profitability by clean energy economics. This dynamic is perhaps most visible in the Western United States – new research shows Colorado could save $2.5 billion by replacing aging coal Read More...

How beauty is making scientist

How beauty is making scientists rethink evolution

The extravagant splendor of the animal kingdom can’t be explained by natural selection alone — so how did it come to Read More...

Zero-carbon emitting trains to

Zero-carbon emitting trains to run on UK’s rail network as soon as 2022

The UK wants to introduce hydrogen-fueled trains on its rail network as soon as 2022, under ambitious efforts to find green alternatives to existing polluting diesel engines. In addition to using clean energy, the hydrogen-fueled trains can run on existing tracks without the need for expensive Read More...