Mindfulness meditation is one way to practice mindfulness, but since being mindful simply involves paying attention to the present moment, mindfulness can be brought to anything you do. Becoming more mindful takes practice, and mindfulness meditation is good tool to learn to be more mindful.
Mindfulness-based cognitive therapy (MBCT) is a relatively recent type of therapy that combines aspects of cognitive therapy with the mindfulness-based stress reduction (MBSR) program created by Jon Kabat-Zinn. MBCT was developed to help people struggling with depression, and it is also helpful in treating anxiety and low self-esteem.
Is mindfulness the same as meditation?