
全球樱花越开越早 若遇春寒将提前凋零
美国国家公园管理局的数据显示,华盛顿特区樱花的开花时间越来越早。满开(peak bloom)是指70%的花朵均开花的时候,如今的满开时间比历史上的平均日期4月4日早了整整两个星期。樱花花期的发展高度依赖于天气条件,而目前樱花树正在努力应对更短的冬季和更频繁的极端天气。
美国国家公园管理局的数据显示,华盛顿特区樱花的开花时间越来越早。满开(peak bloom)是指70%的花朵均开花的时候,如今的满开时间比历史上的平均日期4月4日早了整整两个星期。樱花花期的发展高度依赖于天气条件,而目前樱花树正在努力应对更短的冬季和更频繁的极端天气。
Peak bloom is when 70% of cherry blossoms are in full bloom, which is now a full two weeks earlier than the historical average date of 4 April.
Only 25% of people globally have access to safely managed water, says the World Health Organization, making water shortages a big social and economic risk.
Texas is the US state with the most wind power generation, with enough to power 12.2 million homes. Non-coastal states are building more than coastal ones.
Electric vehicle car sales increased by 60% in 2022, reports Quartz. China leads the EV field - one in every four cars bought there in 2022 was electric.
As the climate crisis continues to destroy trees in North America, native forests are migrating north and lumber producers are moving south.
Young white spruce trees are expanding north, now growing in the Arctic tundra a century earlier than climate scientists expected, a new study shows.
Climate change, the COVID-19 pandemic and internal conflicts are all giving rise to global hunger and now the war in Ukraine is exacerbating the problem.
Companies often downsize products so they can keep prices unchanged during periods of high inflation. It's legal, but it can lead to customer complaints.
US business applications ramped up hugely in 2020 to unseen levels. The US Census Bureau's data shows what has happened with US entrepreneurship since then.
During 2021, people in the US read a wide variety of books, with fiction being the most popular category overall.
This is an exploration of how indigenous food systems differ from industrial ones and how we can use these ideas to build sustainability within farming.
US' plan to achieve net-zero emissions by 2050, requires a massive increase in wind projects which can make its East Coast a powerhouse of green energy jobs
Growing food in urban farms on carpark rooftops, outdoor spaces and in retrofitted buildings is key to Singapore's goal of growing 30% of its food by 2030.