It's likely that CO2 has some warming effect, but real proof of that hypothesis is tricky. You have to confirm by observation exactly how the CO2 changes the situation at different altitudes in the atmosphere and in different regions of… — Nigel Calder Copy Share Image
The natural pattern of current astronomy is provided by the cryptic unity of nature itself (belief in which is the chief act of faith… — Nigel Calder Copy Share Image
The threat of a new ice age must now stand alongside nuclear war as a likely source of wholesale death and misery for mankind. — Nigel Calder Copy Share Image
Recent studies have considered the detection of a spaceship visiting our parish of the galaxy. In my opinion that last thought should bring a… — Nigel Calder Copy Share Image
Governments are trying to achieve unanimity by stifling any scientist who disagrees. Einstein could not have got funding under the present system. — Nigel Calder Copy Share Image
But, when tales of the cosmos are told, this period of ours may always be recalled as that in which men first came to… — Nigel Calder Copy Share Image
The big discoveries raise questions that make astronomers work feverishly and argue with an agitation that verges on rudeness. — Nigel Calder Copy Share Image
It's likely that CO2 has some warming effect, but real proof of that hypothesis is tricky. You have to confirm by observation exactly how… — Nigel Calder Copy Share Image