you have guys putting roller tubes underneath boats, guys are running and putting the tubes under until we get to flat land on time like ancient egyptian technology literally. reporter: it s such a hassle that many tours go 50 miles down downstream. what worries him is the threat to future generations. we need to solve these issues now. it s no longer a problem we can kick down the line. reporter: a sentiment echoed by everly. it would be heartbreaking to lose this place. victor, there s a massive climate change driven drought which has lasted for 23 years and the region s worst in 20 years. it remains critically important
and water overconsumption are threatening the very existence of this river. we bet through cataract canyon. it is the best roller coaster in north america. classified rapids. my most dangerous part of my job is when i get to this ramp. it is extremely dangerous. reporter: the river has shrunk so much, that it is almost impossible for guides like this man to pull boats out of the water. you have guides putting roller tubes under them. they are running and putting the tubes under till we get on top. reporter: it is such a hassle, that many tours float an extra 50 miles downstream adding two days and more cost to the trip. the biggest threat is the threat to future generations. if we want to protect our
rafting the colorado is a breath-taking experience, it s a slow and sometimes bumpy ride through ancient time at a moment when it seems like the earth s clock is speeding up. even here the effect of climate change, rapid growth and water overconsumption are threatening the very existence of this river. we boat through cataract canyon, it s the best roller coaster in north america. class 5 rapids all the way down when it s high water and yet my most dangerous part of my job is when i get to this ramp. it s extremely dangerous. reporter: the river has shrunk so much that it s nearly impossible for colorado river guides like this man to pull boats out of the you have guides putting roller tubes underneath boats. as that boat is pulled up, guides are running and putting tubes under until we get to flat land on top like ancient