in montana is rapidly losing its namesake feature. this is the glacier in 1910 versus 2021. these are places that tell critical stories of our history and people and culture, and these places are not going to be able to withstand these repeat assaults. reporter: more frequent, more intense national disasters will drastically transform national parklandscapes. and and there s the other loss. our parks saw over 297 million visitors. they generated over $42.5 billion. reporter: back on oold maryland s eastern shore, the national parks service says it s teamed up with the army s core of engineers.
and these places are not going to be able to with stand these repeat assaults. reporter: more frequent and more instance natural disasters will transform national park landscapes and there is the economic loss. in 2021 alone, our national parks saw over 297 million visitors. they generated over $42.5 billion. reporter: back on maryland s eastern shore, the national park service has teamed up with the army corp of engineers and the association to fight the growing impacts of climate dhank change. it is high tide and water is flowing over the banks at jeffer sorn memorial because the water level has risen a foot since the memorial was built some 75 years ago and the issue of climate change and national parks it is on the radar for some members of congress just this week members visited yosemite national park
wildfires and extreme heat have forced california s yosemite national park to close several times in recent years. meanwhile, glacier national park in montana is rapidly losing its namesake feature. this is the glacier in 1910 versus 2021. these are places that tell critical stories of our history and people and culture, and these places are not going to be able to withstand these repeat assaults. reporter: more frequent, more intense natural disasters will drastically transform national park landscapes and there s the economic loss. in 2021 alone, our national parks saw over 297 million visitors. they generated over $42.5 billion. reporter: back on maryland s eastern shore, the national park service says it is teamed up with the army corps of engineers and the national oceanic and
wildfires and he d have caused yosemite national park to close several times in recent years. meanwhile glacier national park in montana is rapidly losing its namesake feature. this is glen allen glacier in 1910 versus 2021. these are places that tell critical stories of our history and people and culture and these places are not going to be able to withstand these repeat assaults. reporter: more frequent and intense natural disasters will drastically transform national park landscapes and there is the economic loss. in 2021 alone, our national parks saw 297 million visitors. they generated over $42.5 billion. reporter: back on maryland easter sure.
their busiest time of the year in the run up to christmas, when they make a quarter of all profits that see them through the leaner months of january to march. places like this, decked out for christmas, the problem is there are not many customers. while there is no official lockdown, many customers taking advice of the government perhaps to stay away to ensure christmas plans go ahead. preferring instead to stay at home rather than mixing in places like this. this places open air, by london bridge. there is a lot of space. but they say bookings are down significantly, 75% of cancellations came yesterday. across the industry, we are told 3 million bookings were cancelled in the last week and that equates to £297 million of lost trade, trade that will not come back. it is not like you catch up and spend more in the new year. they say that money has gone for ever. what they hope