Sentence examples for challenges remain ongoing from inspiring English sources

That request and related legal challenges remain ongoing.

Cleaning up our air and water pollution remain ongoing challenges, but at least there are legislative benchmarks for guidance and enforcement.

Thus, surveillance of resistance to these antimicrobial agents and study of the corresponding mechanisms in pathogenic bacteria remain ongoing challenges in microbial research (3).

Talks remain ongoing.

These forensic examinations remain ongoing.

Enquiries remain ongoing.

Negotiations remain ongoing.

Some delays remain ongoing.

"All remain ongoing".

The other two investigations remain ongoing.

Both of those cases remain ongoing.