"upcoming generations" is a correct and usable part of a sentence in written English
You can use it whenever you wish to discuss those generations that will come after the present ones. For example: "We must take steps now to ensure the health of our planet for upcoming generations."
Their writing and teaching became a powerful influence on upcoming generations of students.
"We want to keep the upcoming generations aware of their culture heritage," he said.
The ad seems to assume that older Americans don't care about any of that, that they are selfishly focused only on their own immediate benefits and don't care about upcoming generations, including their own children and grandchildren.
This is the way that upcoming generations are going to grow up using computers.
The excellent performance of the KF allows for a promising outlook to upcoming generations of VLBI operations with VGOS, which will make real-time capability, as for instance provided by a KF, a necessity.
Upcoming generations of antivirals are expected that lead to viral eradication in most patients who undergo treatment with hope held for years that HCV can be cured without interferon.
She is a central figure for the upcoming generation, too.
The upcoming generation is being squeezed harder and has fewer choices than ever.
A couple of the next-big-IPs for the upcoming generation of consoles are "persistent world" games.
West Africa's biggest musical export may now be politically vacuous afropop, but some among the upcoming generation want to return to socially conscious music.
Watching the upcoming generation of both designers and customers, he noted the importance of never being complacent as a designer, and the need to always reinvent.
