US and China to sign Paris climate deal in April. Countries responsible for 40% of worldâs carbon emissions to formally approve historic pact and pursue efforts to limit warming to 1.5C, reports Climate Home. Done deal! US President Barack Obama with President Xi Jinping of China at the Paris climate conference in Le Bourget, France. The two leaders will soon meet in Washington DC. China and the United States, the worldâs two leading carbon polluters, said on Thursday they planned to formally join the Paris climate agreement in 2016.
A: According to the Institute for Marine Mammal studies, dolphins can generally hold their breath for as long as  10 minutes. They normally breathe about four to five times per minute.
In 2014, the Curvier beaked whale broke the record for the mammal that could hold its breath underwater the longest.The longest dive was recorded at 2 hours and 17 minutes. It was previously thought that elephant seals could hold their breath the longest, with a record of 2 hours. Although they arenât mammals, sea turtles hold the record for the animal that can hold its breath the longest underwater. When resting, sea turtles can stay underwater for days. On average, sea turtles can hold their breath for 4 â 7 hours. Green sea turtles can hold their breath for as long as five hours, whereas Loggerhead sea turtles hold the record for the longest documented dive, remaining underwater for longer than 10 hours. How do humans compare? Compared to these amazing aquatic mammals, humans still have a long way to go.