内容摘要：The move is intended to make it more difficult for China to develop its own advanced chips that would compete with Nvidia's, the paper said.

The move is intended to make it more difficult for China to develop its own advanced chips that would compete with Nvidia's, the paper said.

But recent processing delays left him "deeply worried", he said, with appointments at consulates now either postponed or unavailable.Foreign students who want to study in the US usually must schedule interviews at a US embassy in their home country before approval.

He said he may be forced to book flights to the US, still unsure of the situation. He also risks losing his scholarship if he has to defer his studies.Students in the UK are being affected, too.Oliver Cropley, a 27-year-old from Norwich, said he was due to study abroad for a year in Kansas, but that plan is now in jeopardy.

"Currently I've no student visa, despite forking out £300 on the application process," Mr Cropley said.News of the US pausing visa applications is "a huge disappointment".

He, too, risks losing a scholarship if he is unable to complete his study abroad in the US, and may have to find last-minute accommodation and liaise with the university to make sure it does not delay him academically.

Alfred Williamson, from Wales, told Reuters he was excited to travel after his first year at Harvard, but couldn't wait to get back. But now, he hasn't heard about his visa."Indonesia serves as a bright spot in the 2024 data," she said.

"Political will is a key factor of success - it's impossible otherwise," agreed Gabriel Labbate, head of climate change mitigation at the United Nations forests programme UNREDD, which was not involved in today's report.Other countries, including Brazil, have seen success in the past with similar approaches, but started to see losses increase again in 2014 following a change in government policies.

Prof Hansen said that although the progress in South East Asia was positive, the fluctuations in forest loss in Brazil show that protection policies have to be consistent."The key we haven't seen yet is sustained success in reducing and maintaining low levels of conversion of these ecosystems and if you were interested in conserving the environment you have to win always and forever," he told BBC News.