Sentence examples for evidence are needed from inspiring English sources

This contract needs to encompass three elements: * Integrated goals for global sustainability based on scientific evidence are needed to provide essential targets for societies.

Under it two independent witnesses or pieces of evidence are needed to confirm the key facts of a crime – in this case the identity of the alleged rapist and the fact of the rape.

More effective strategies to implement guidelines and evidence are needed.

Accessibility metrics that are well substantiated by empirical evidence are needed.

"Further tests and stronger evidence are needed," says physicist Robert Caldwell of Dartmouth College.

Issues of risk have given rise to heated debates on what levels of scientific evidence are needed for policy decisions.

What more evidence is needed for change?

If evidence is needed, events this week have provided it.

But hard evidence is needed before taking such a step.

"How much evidence is needed before evidence-based policy kicks in?

More evidence is needed, however, before investors will be convinced, they cautioned.