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.
While sleeping, a red ear slider can hold its breath for a couple of hours. When awake, it can hold its breath for about a half an hour.owever, the fin whale can hold its breath for up to twenty minutes, whereas the giant sperm whale can hold its breath for as long as two hours (though the average duration seems to be about forty to ninety minutes).