The government has begun testing its postponed pay-as-you-throw scheme with a trial at more than a dozen premises. But some say authorities need to educate the public more about the policy. Frank Yung reports:

A new report has highlighted the importance of managing ecosystems to mitigate the effects of climate change. The report, published by the Nature Conservancy and Civic Exchange, points out that ecosystems remove carbon dioxide from the atmosphere. It says if "nature-based" solutions aren't adopted, climate change will weaken ecosystems and their ability to remove and store this greenhouse gas. Marine Thomas, Senior Conservation Project Manager at the Nature Conservancy, told Carol Musgrave (me) that there's a need to boost the resilience of ecosystems before pushing ahead with development:

Figures from the Immigration Department showed about 1.5 million departures from Hong Kong between Friday and Sunday, as large numbers of residents headed out of town for their Easter vacations. As Elvis Yu reports, there have been mixed reactions from the catering and tourism sectors over this trend:

An electrical and building services engineer says a safety feature that protects power cables may have caused a voltage dip that disrupted the electricity supply in Kowloon and the New Territories on Saturday. The incident also led to more than 50 reports of people being stuck in lifts. Elvis Yu reports:

Researchers from Chinese University say they have developed a nano-robot to treat patients suffering from strokes. The university's neurology division head, Professor Thomas Leung, told Anne Chan the technology can minimise the risk of brain damage and mitigate other side effects associated with stroke treatment.

China says it will import more high-quality products and services from France. The pledge came as Foreign Minister Wang Yi met his French counterpart on Monday in the capital where the pair also discussed the ongoing war in Ukraine. Tony Sabine reports:

President Xi Jinping has praised ties with Indonesia, laying out a vision for regional peace as he hosted President-elect Prabowo Subianto in Beijing. Mr Prabowo, who chose China as his first trip since being elected in Jakarta last month, says he's willing to continue outgoing leader Joko Widodo's friendly cooperation with China. Azam Khan reports:

US stocks wrapped up a strong first quarter, with the market surging over 10 percent. RTHK's Washington correspondent, Barry Wood, told Anne Chan it's surprising to see equities keep moving higher into this year:

Apple has denied all allegations made against it by the US Department of Justice in an antitrust lawsuit. The tech giant claims it hasn't blocked competing apps or restricted the functionality of non-Apple smart watches. Apple also says it is easy to switch to Android products, but people may not be doing so - simply because they love Apple gadgets. So is Apple really monopolising the smartphone market? Let's find out in this week's Tech Tuesday:

Fans from Thailand and neighbouring regions beat Bangkok’s sweltering heat to attend Bruno Mars’ two-day concert in the Thai capital. The American singer-songwriter is currently touring Asia, having already performed in Seoul, the Philippines, and Japan. His next stop is Singapore. RTHK's Jacqueline Guico spoke to some fans after the concert: