Ideas change everything
WATCH
TED Talks
Browse the library of TED talks and speakers
Playlists
100+ collections of TED Talks, for curious minds
TED Series
Go deeper into fascinating topics with original video series from TED
TED-Ed videos
Watch, share and create lessons with TED-Ed
TEDx Talks
Talks from independently organized local events
TED Fluent
Watch TED Talks in your language
DISCOVER
Topics
Explore TED offerings by topic
Podcasts
Explore the TED Audio Collective
Ideas Blog
Our daily coverage of the world of ideas
Newsletters
Inspiration delivered straight to your inbox
TED Games
Innovative games that challenge you to think differently
ATTEND
Conferences
Take part in our events: TED, TEDGlobal and more
TEDx Events
Find and attend local, independently organized events
TED on Screen
Experience TED from home
TED Courses
Learn from TED speakers who expand on their world-changing ideas
PARTICIPATE
Nominate
Recommend speakers, TED Prize recipients, Fellows and more
Organize a local TEDx Event
Rules and resources to help you plan a local TEDx event
TED-Ed
Award-winning educational content and programs
Translate
Bring TED to the non-English speaking world
TED Fellows
Join or support innovators from around the globe
ABOUT
Our Organization
Our mission, history, team, and more
Conferences
TED Conferences, past, present, and future
Programs & Initiatives
Details about TED's world-changing initiatives
Partner with TED
Learn how you can partner with us
TED Blog
Updates from TED and highlights from our global community
Type to search
衛星如何支持非洲各地的農民
296,289 plays
|
Catherine Nakalembe |
TED Fellows Films 2025
• April 2025
Read transcript
超過 8000 顆衛星繞地球運行，每天拍照。糧食安全專家兼 TED 研究員凱瑟琳·納卡勒姆貝（Catherine Nakalembe）將展示她如何利用這些圖像幫助非洲各地的小農戶應對洪水、乾旱和作物歉收。了解為什麼真正的創新並不總是關乎更酷炫的技術——而是讓科技真正契合其所要解決的問題。
TED is supported by ads and partners
