Climate change

Early warnings : the 1940s-1960s. Warming Arctic climate melting glaciers faster, raising ocean level, scientist says / Gladwin Hill

Warmer climate on the Earth may be due to more carbon dioxide in the air / Waldemar Kaempffert

Scientists agree world is colder, but climate experts meeting here fail to agree on reasons for change / Walter Sullivan

Heating up : the 1970s. The need to work in concert was clear / Walter Sullivan

Climate changes endanger world's food output / Harold M. Schmeck, Jr.

Scientists ask why world climate is changing / Walter Sullivan

Scientists warn of expected rise of carbon dioxide content in air / Walter Sullivan

Worldwide effort is proposed to study climate and its impact / by The New York Times

Increased burning of fuels could alter climate / Walter Sullivan

Scientists vs. skeptics: the 1980s. Warming of world's climate expected to begin in the '80's / by The New York Times

Scholars ask for action now to save global environment / Philip Shabecoff

Man said to tax earth's systems / Philip Shabecoff

Global warming has begun, expert tells Senate / Philip Shabecoff

Major 'Greenhouse' impact is unavoidable, experts say / Philip Shabecoff

Draft report on global warming foresees environmental havoc in U.S. / Philip Shabecoff

E.P.A. proposes rules to curb warming / Philip Shabecoff

White House admits censoring testimony / Philip Shabecoff

Governments start preparing for global warming disasters / Wuilliam K. Stevens

Skeptics are challenging dire 'Greenhouse' views / William K. Stevens

Do we have to take action? the 1990s. Bush's 'Whitewash effect' on warming / James H. Scheuer

To skeptics on global warming... / Al Gore, Jr.

Loss of tropical forests is found much worse than was thought / Philip Shabecoff

Thinning Arctic ice / by The New York Times

Earlier harm seen in global warming / William K. Stevens

Scientists urging gas emission cuts / Marlise Simons

Separate studies rank '90 as world's warmest year / William K. Stevens

Pro-coal ad campaign disputes warming idea / Matthew L. Wald

Global warming experts call human role likely / William K. Stevens

Meeting reaches accord to reduce greenhouse gases / William K. Stevens

Industrial group plans to battle climate treaty / John H. Cushman, Jr.

Reality sinks in : the 2000s. A shift in stance on global warming theory / Andrew C. Revkin

178 nations reach a climate accord. U.S. only looks on / Andrew C. Revkin

Politics reasserts itself in the debate over climate change and its hazards / Andrew C. Revkin

Bush vs. the Laureates : how science became a partisan issue / Andrew C. Revkin

Warning of Calamites and hoping for a change in 'An inconvenient truth' / A.O. Scott

Talks begin on new international climate treaty / Thomas Fuller

Years later, climatologist renews his call for action / Andrew C. Revkin

The consequences : 2010 and beyond. Nations approve landmark climate accord in Paris / Coral Davenport

Scientists, feeling under siege, march against Trump policies / Nicholas St. Fleur

The U.S. is the biggest carbon polluter in history. It just walked away from the Paris climate deal / Justin Gillis and Nadja Popovich

Bucking Trump, these cities, states and companies commit to Paris Accord / Hiroko Tabuchi and Henry Fountain

How G.O.P. leaders came to view climate change as fake science / Coral Davenport and Eric Lipton

Climate change is complex. We've got answers to your questions / Justin Gillis.