Past Recipients - Carl Sagan Lecture | AGU

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About AGU
Career Development
Honors & Funding
Meetings & Events
Publications & News
Policy & Outreach

Who We Are

Programs & Initiatives

Advance your career and connect with peers

Find Your Community

Connect by science, interest and identity

AGU Net Zero Headquarters

Visit AGU’s award-winning HQ in D.C.

Leadership & Governance

Volunteers shaping AGU and the future of science

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Connect with colleagues in your discipline

Jobs at AGU

Join AGU’s team to advance science

Ethics, Diversity & Inclusive Science

Promoting an inclusive scientific culture

Membership Directory

Find members by section, region or expertise

AGU Resource Center

Explore AGU programs, insights and tools

Connect with the global AGU community.

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Student Programs

Launch your career with a supportive community

Leadership Opportunities

Sign up for leadership and volunteer updates

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Apply for scholarships and fellowships

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University & Faculty Programs

Network and share best practices in education

K-12

Explore Bright STaRS program and travel grants

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Career Guidance

Chart your course with expert advice

Opportunities by Career Stage

Programs and support for every career level

Fellowships & Cohort Programs

Build in-depth skills alongside peers

Join as a mentor or mentee for Mentoring365

AGU Honors

Union Medals, Awards & Prizes

Recognizing top achievements in science

Union Fellows Program

Recognizing excellence in research

Section Awards & Lectures

Celebrating section-specific achievements

Student Awards

Rewarding scientific excellence in students

Science Policy & Communication Awards

Awarding excellence in science outreach

View past recipients

AGU Funding

Scholarships

Investing in science’s future leaders

Travel Grants

Support travel for AGU meetings

Research Grants

Funding new discoveries and breakthroughs

AGU Meetings

AGU Annual Meeting

Join AGU24 in Washington DC this December

Ocean Sciences

Join Ocean experts in Glasgow 2026

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Specialized meetings for science insights

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See what’s next on AGU’s calendar

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Uncover new insights in astrobiology

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Innovations in hydrology

Exhibits and Sponsorship Opportunities

Elevate your visibility in the geosciences

Watch AGU24 on-demand sessions

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Host your event at AGU Headquarters

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Explore 24 high-impact, peer-reviewed journals

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Premier collections highlighting key topics

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Publish with AGU

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Explore funding for open access publishing

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Fostering diversity and transparency in publishing

ESS Open Archive

Search Earth and space science preprints

Data Leadership

Explore AGU data guidelines for researchers

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Eos

AGU’s award-winning science news magazine

Stay in the Know

Sign up for AGU updates and news

Press Releases & Media Resources

Visit AGU's newsroom for science updates

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Grassroots Action

Mobilize local voices for policy impact

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Develop skills to share your science

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Connect science to local community priorities

U.S. Government Outreach

Learn to navigate U.S. science policy

Global Outreach

Collaborate globally for sustainable solutions

AGU Thought Leadership

Open Science

Expanding participation and access to science

Climate & Sustainability

Science for a thriving, sustainable future

Ethical, Diverse & Just Science

Championing ethics and equity in science

Inclusive Collaboration

Fostering an inclusive science culture

SECTION AWARDS AND LECTURES

Carl Sagan Lecture

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