Be informed about climate change – its causes, mitigation, and adapting to a changing world. Here are the best climate change courses!

“Andrew is literally the only person that both Sam Altman and Dario Amodei have worked for. He is going to come up with things that nobody else can come up with.” “We don’t know exactly what those inventions and innovations will look like yet, but I’m highly confident that he is uniquely positioned to come up with things that we wouldn’t have come up with on our own.” That’s Greg Hart, Coursera’s CEO, on the July 29 earnings call, the first one since the Udemy merger, explaining why Coursera p

Subscriber growth and revenue are accelerating even as revenue per user declines. Udemy built its empire on a simple idea: anyone could create a course, and anyone could buy one. That marketplace model made Udemy famous and made millionaires out of its top instructors. Now the company is deliberately killing it. In Q3 2025 earnings call, Udemy’s CFO admitted they are “intentionally reducing” single course sales to push users toward subscriptions. The logic is straightforward: Udemy keeps 82.5%

Swayam is India’s national online course platform, designed to support the country’s National Education Policy, which entails improving access to quality education in India. At Class Central, we’ve been paying attention to Swayam since the very beginning. It launched in beta in 2016, and has now reached over 56 million enrollments with over 5.2 million certificates issued. It’s been growing rather fast. Swayam offers courses in a wide variety of disciplines, including from prestigious institut