The phrase "action demanding" is correct and usable in written English.
It can be used to describe a situation or task that requires immediate attention or a response.
Example: "The project is action demanding, and we need to address the issues as soon as possible."
Alternatives: "urgent action" or "immediate response".
She wanted international action, demanding that America tell Pakistan's leaders to stop the killing.
The brothers on Monday began legal action demanding the SFO pay damages estimated at up to £200m each.
To take action demanding U Myint Aye's release and to demand the release of all prisoners of conscience in Burma, go to the Amnesty UK priority action page.
What started as a modest-sized street action demanding a deal with the EU has turned into a national awakening and vocal rejection of a kleptocratic post-Soviet state.
Visiting the gleaming headquarters of the European Parliament, the women handed over a five-page call for action, demanding above all the full restoration of their rights as citizens and the participation of women lawyers in drafting new laws and a future constitution.
Though the outbreak was partly due to globalisation and incredibly bad luck, indications that UN troops were the source of the disease have motivated 5,000 Haitians to launch a legal action demanding an apology and compensation for "gross negligence", and "indifference" in the UN mission's initial response.
Time to occupy the House to demand action.
A scary response, but hardly less than the action demanded.
"Are you ready for a Tahrir moment?" an initial call to action demanded.
For the first time we've seen major economies, normally cautious, commit to take the action demanded by the science.
Weakening price action demands an accelerated level of bearish sentiment to justify a bullish contrarian implication.
