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Dr. Johnson frequently writes journal articles and speaks at conferences and seminars dealing with environmental and economic issues. In his article on "The State of the Earth on the Eve of the Rio Summit," he outlined the new economic and environmental realities facing citizens in the next century.
"The twin challenges of development and environment will force us to question some of our values, and to ask ourselves why we consume so much. We are far from what Maurice Strong has called 'sophisticated modesty'....The first nations to adapt to the new environmental realities of the 1990s will be the winners of the beginning of the next century."