dr casey, whose immunity is weak after 11 days of not eating says he's not tweeted. >> i will not eat unless it's implemented. we are not ending this programme >>> dr casey's health weakens, doctors hope the government will make decisions to improve the health care system >>> there are three trillion trees on earth. seven times more than scientists previously thought. a team from yale university in the u.s. used 47,000,000 measurements and satellite data and computer models to get the fm. they found that 6 million trees have been cut, and 5 billion are planted. at this rate the earth's trees will disappear within 300 years >>> free-style kayaking is not just for the brave. it's a mix of white water rafting, figure skating and sheer daredevil exuberance. athletes from 20 countries participate in the world freestyle kayaking championships. >> reporter: freestyle kayakers give names to the waves they ride. the curling wide wet monst monster - it's the garden ranger. these are the world championships, and the judges are high and dry, knowing what precise manoeuvres they want to see on wat

dr. casey, whose immunities are now weak after 11 days, say that he's not defeated. as dr. y's health weakens, the government hopes that the they will finally make decisions on the healthcare system. >> there are more trees growing around the world than scientists thought. a great deal more in fact. over 3 trillion trees on earth. and that's about eight times previous estimates. and scientists took a look at the density of forists in 4,000 different places to reach the figure. in 300 years. joining us now, martin. a professor i suppose --. >> it's good news, because we're understanding how it works. is we didn't know how many trees there were with individual trees. and understanding it a little better. >> i don't suppose it makes of difference as to what's happening around us, but in what sense would it help us to manage the planet this way. >> how the forests work, and if you're a forest manager, which is trying to manage the trees, and you know how much you have, and how much in the future. >> we have been worried for a long time about the fact that the planet is getting g

dr. caseyot [ inaudible ]. >> [ inaudible ]. >> reporter: as his health weakens, doctors here hope the government will finally make decisions to improve nepal's healthcare system. >>> ghana's government is teaming up with ngo's to stop the ill treatment of women who have been accused of witchcraft. our correspondent has their story. >> reporter: this settlement is a safe haven for women who have been accused of being witches. this woman has been here for three years. today her daughter has come to visit. she says she left her home after she was blamed for her niece falling sick. >> translator: when the crowd attacked me, i was sad. they came there with sticks and so many other things, and the intention was to kill me. the chief stepped in to say i should not be killed. >> reporter: this is one of the minority of women who have been accepted back into a regular community. she is now living with her brother and his family after 20 years of being in a camp. >> translator: being home with my family

casey musgraves. "world news tonight" anchor david muir is here. we'll be right back with sofia vergara. [ cheers and applause ] >> dicky: portions of "jimmy kimmel live" are brought to you by dr pepper. share your goals for a chance to compete and win up to $100,000 in college tuition. go to dr.peppertuition.com to learn more. in initial quality by j.d. power. hmm. can i look around at them? sure. umm. highest ranking in initial quality. it's gotta be this one. this is it. you are wrong. really? actually it's all three. you tricked me. j.d. power ranked the malibu, silverado half-ton and equinox highest in initial quality in their segments. that's impressive! >> jimmy: tonight, he is the anchor of "world news tonight with david muir," which can be seen on this network every night. david muir is here. then, an extremely talented and unique young woman, her album is kacey musgraves from the samsung outdoor stage. jake tapper, and we'll have music from cold war kids. and later this week, tobey maguire, david spade, russell westbrook, dale earnhardt jr. and we will have music from kip moore and asap rocky with schoolboy q. so please join us for every moment of that. our first gu

casey musgraves. "world news tonight" anchor david muir is here. we'll be right back with sofia vergara. [ cheers and applause ] ♪ >> dicky: portions of "jimmy kimmel live" are brought to you by dr share your goals for a chance to compete and win up to $100,000 in college tuition. go to dr.peppertuition.com to learn more. in initial quality by j.d. power. hmm. can i look around at them? sure. umm. highest ranking in initial quality. it's gotta be this one. this is it. you are wrong. really? actually it's all three. you tricked me. j.d. power ranked the malibu, silverado half-ton and equinox highest in initial quality in their segments. that's impressive! i'm very surprised! i am. i'm very surprised. chevy hit three home runs. it was just an ordinary night. until he showed up-with a hungry look in his eyes. and then, he made the shot. and when jaws dropped ... he had something for that, too. the new spicy nacho chicken sandwich. with two tacos, halfsies, and a drink for 6 bucks. all in a munchie meal. >> jimmy: tonight, he is the anchor of "world news tonight with david muir," which can be seen on this network every night. david muir is here. then, an extremely talented and uniqu

casey, great to see you. thanks. >>> our pulse question today focuses on both donald trump and ben carson with dr. ben carson on donald trump's heels, we want to know whether there's a real threat to trump's candidacy. e pulse is live at pulse.msnbc.com. is carson a real threat to donald trump? the results in just a few minutes. >>> up next, i look ahead to tomorrow's debate with former minnesota governor and 2012 republican presidential candidate tim pawlenty. look forward to that conversation. >>> then developing news overseas. confusion at train stations in austria as hundreds of desperate migrants and refugees wait to travel to germany. germany and other european countries restricting their borders. we're live in berlin. >>> then, bill as veep? how hillary clinton is answering questions about whether her husband could join the ticket. [ school bell rings ] ♪ [ female announcer ] everything kids touch at school sticks with them. make sure the germs they bring home don't stick around. use clorox disinfecting products. you handle life; clorox handles the germs. you handle life; hey babe, last one