Some Environmental Challenges

Some Environmental Challenges

It is wonderful that nearly everyone today agrees that the natural environment needs caring for. Ever since the first astronauts sent back images of our green blue planet surrounded by the darkness of space the awareness has grown that we can do harm as well as good...
Personal Choices about the Environment

Personal Choices about the Environment

We can all take actions either to improve the environment around us or make it worse. There is a lot of information available that shows us how to minimise negative impacts such as pollution and make positive steps such as making gardens or parks welcoming places for...
The Problem of Knowledge

The Problem of Knowledge

Things are not always as they seem. For example, it might seem obvious that the earth is still and that the sun, moon, planets and stars orbit around it. For thousands of years this is what everyone believed, until Copernicus demonstrated that all the observations...
The Three Kinds of Thinking

The Three Kinds of Thinking

Let us now consider the nature of thinking.  A Self can be doing something, or having something done to it. In logical terms it can be a subject or an object.  All thinking presupposes the existence of a subject, a being with some kind of awareness and mental activity...