After several years of profit, CareerBuilder.com suffered challenges related to the economic downturn in 2002 and 2008.

Deep-diving mammals face a number of challenges related to extended breath holding and hydrostatic pressure.

These are all important assignments, with each committee focused on a unique set of challenges related to the American economy, global security and national infrastructure.

Mothers in space face a number of challenges related to managing family life and spaceflight.

In addition, each building has different challenges related to the size, configuration and exposure to air pollutants.

Many of the global challenges related to health, economic growth, and climate change lay at the intersection of science and international relations.

Then we have to give a common response to the international challenges related to security, freedom and justice.

The European market must adapt to the latest methods, and this will always present us with new challenges related to its modernisation.

It is therefore not an instrument designed to respond to the challenges related to irregular migration.

The current project was presented in 2003 and has so far not gone ahead due to legal challenges related to the environmental value of the area.