In a meeting with Meta employees on Thursday, Mr. Zuckerberg also doubled down on recent changes to the company’s online speech policies and ending its diversity initiatives.

As Mark Zuckerberg and other tech titans have embraced President Trump and muffled internal dissent at their companies, their mostly left-leaning employees have objected with subtle acts of defiance.

Some posts related to obtaining abortion pills were recently hidden on Instagram and Facebook and some accounts were suspended, before being later restored.

Officials and business executives at the annual gathering in Switzerland said the fight against global climate change would continue with or without the United States.

Several large U.S. financial institutions, including the Federal Reserve, have withdrawn from the networks after years of growing political and legal pressure.

After visiting President-elect Donald J. Trump in November, Mr. Zuckerberg decided to relax Meta’s speech policies. He asked a small team to carry out his goals within weeks. The repercussions are just beginning.

Even as Telegram faces legal scrutiny and grapples with billions in debt, it is set to be profitable for the first time as it tries cryptocurrencies, subscriptions and ads.

Companies continue to invest in sustainability, though many are no longer broadcasting it.

© Andrew Testa for The New York Times

The tech giant, which has defended the deal to employees who oppose supplying Israel’s military with technology, feared the project might damage its reputation.

© Natalie Keyssar for The New York Times