Systems thinking is currently envisaged as a useful educational approach to teaching about sustainability (including green chemistry education) because of the high number of interrelated factors involved and the need of learners to acquire the ability to identify all of the factors and their relationships. After recalling the way in which key…

This paper discusses the pedagogical implications of Dynamic Systems Theory approaches to second language development. The main question addressed is whether it is possible to describe a learner's level of proficiency with a simple and unambiguous label, and if so, whether the CEFR can provide such a label. It is argued that considering the…

The United States has been engaged in school reform for three decades. The federal government as well as all fifty states have passed numerous versions of reform legislation to mandate and regulate the process. Educators have adjusted their practices to the policy created by this legislation. They have also allocated hundreds of billions of…