Mechanisms of climatic change / Curt Covey --

Carbon dioxide and climate changes / William W. Kellogg --

Response to W.W. Kellogg's paper / Hugh W. Ellsaesser --

Climate from a modeling point of view / Andrew A. Lacis --

Where do we stand with the COb2s greenhouse effect problem? / Helmut E. Landsberg --

Methane in the atmosphere / Ralph J. Cicerone --

Chlorofluorocarbons, stratospheric ozone, and the Antarctic "ozone hole" / F. Sherwood Rowland --

Stratospheric ozone / S. Fred singer --

Comments on chlorofluorocarbons and stratospheric ozone / Andrew A. Lacis --

Acid rain / Kenneth Mellanby --

The complexity of surface water acidification by acid rain / A.G. Everett --

Worldwide pollution of the oceans / P. Kilho Park --

Commentary on P. Kilho Park's paper / Michael G. Norton --

World water problems / Gerald Stanhill --

Commentary on Gerald Stanhill's paper / Avraham Melamed --

Enhancement of precipitation by sea mixing / Gad Assaf --

Effects of artificial sea mixing on oceanographic and meteorological processes / Colette Serruya --

Global effects of nuclear exchange / Robert U. Ayres --

Nuclear winter or nuclear summer? / S. Fred Singer --

Global effects of meteorite impacts and volcanism / Devendra Lal --

Commentary on Davendra Lal's paper / Andrew A. Lacis and Sergej Lebedeff --

Further commentary on Devendra Lal's paper / Hugh W. Ellsaesser --

Asteroids, volcanoes, and climate / H.G. Goodell --

Gaia / Penelope J. Boston.