Musings are not meant to provide answers. They are meant for stretching thinking muscles.

A simple formulation of law of conservation of energy can be as under:

Energy cannot be created or destroyed, but only changed from one form into another or transferred from one object to another.

A slightly more complex version of this law adds a qualifier:

Shell Oil has released a book titled The Colours of Energy (PDF | 4 MB) that contains 36 thought-provoking essays about the energy challenges society faces in the coming decades.

The introduction consists of a foreword by Shell CEO Ben van Beurden and a preface by Club of Rome co-president Ernst Ulrich von Weizsäcker.

PART A: Introduction

• Renewable Energy
• Lack of a Rigid Definition
• Can energy be consumed?
• Law of conservation of mass and energy
• Second law of Thermodynamics or entropy
• Critical Thinking – the most important skill to acquire.
• Critical Reading Skills
• Critical Thinking Skills
• Critical Writing Skills
• Theory of Knowledge -limited exposure
• Is Nuclear energy a renewable energy?
• Opposing views