• Home
  • About

Saved searches

  • Remove
  • In this conversation
    Verified account @
Suggested users
  • Verified account @
  • Verified account @
  • Language: English UK
    • Bahasa Indonesia
    • Bahasa Melayu
    • Català
    • Čeština
    • Dansk
    • Deutsch
    • English
    • Español
    • Filipino
    • Français
    • Hrvatski
    • Italiano
    • Magyar
    • Nederlands
    • Norsk
    • Polski
    • Português
    • Română
    • Slovenčina
    • Suomi
    • Svenska
    • Tiếng Việt
    • Türkçe
    • Ελληνικά
    • Български език
    • Русский
    • Српски
    • Українська мова
    • עִבְרִית
    • العربية
    • فارسی
    • मराठी
    • हिन्दी
    • বাংলা
    • ગુજરાતી
    • தமிழ்
    • ಕನ್ನಡ
    • ภาษาไทย
    • 한국어
    • 日本語
    • 简体中文
    • 繁體中文
  • Have an account? Log in
    Have an account?
    · Forgot password?
    New to Twitter?
    Sign up
By using Twitter’s services you agree to our Cookie Use and Data Transfer outside the EU. We and our partners operate globally and use cookies, including for analytics, personalisation, and ads.
mjsiegert's profile
Martin Siegert
Martin Siegert
Martin Siegert
@mjsiegert

Martin Siegert

@mjsiegert

Co-Director of the Grantham Institute, Imperial College London. Glaciologist, investigating unexplored Antarctica. Orient fan.

imperial.ac.uk/grantham
Joined January 2011
  • © 2016 Twitter
  • About
  • Help
  • Terms
  • Privacy
  • Cookies
  • Ads info
Dismiss
Previous
Next

Go to a person's profile

Saved searches

  • Remove
  • In this conversation
    Verified account @
Suggested users
  • Verified account @
  • Verified account @

Retweet this to your followers?

Optional comment for Retweet
 

Saved searches

  • Remove
  • In this conversation
    Verified account @
Suggested users
  • Verified account @
  • Verified account @
 
140

Are you sure you want to delete this Tweet?

Promote this Tweet

Block

  • Add a location to your Tweets

    When you tweet with a location, Twitter stores that location. You can switch location on/off before each Tweet and always have the option to delete your location history. Learn more

    Profile summary

    Your lists

    Create a new list

    Under 100 characters, optional
    lists:Privacy

    Copy link to Tweet

    Embed this Tweet

    Embed this Video

    Add this Tweet to your website by copying the code below. Learn more

    Add this video to your website by copying the code below. Learn more

    Hmm, there was a problem reaching the server.

    Preview

    Log in to Twitter

    · Forgot password?
    Don't have an account? Sign up »

    Sign up for Twitter

    Not on Twitter? Sign up, tune into the things you care about, and get updates as they happen.

    Sign up
    Have an account? Log in »

    Two-way (sending and receiving) short codes:

    Country Code For customers of
    United States 40404 (any)
    Canada 21212 (any)
    United Kingdom 86444 Vodafone, Orange, 3, O2
    Brazil 40404 Nextel, TIM
    Haiti 40404 Digicel, Voila
    Ireland 51210 Vodafone, O2
    India 53000 Bharti Airtel, Videocon, Reliance
    Indonesia 89887 AXIS, 3, Telkomsel, Indosat, XL Axiata
    Italy 4880804 Wind
    3424486444 Vodafone
    » See SMS short codes for other countries

    Confirmation

     

    Buy Now

    Hmm... Something went wrong. Please try again.

    Welcome home!

    This timeline is where you’ll spend most of your time, getting instant updates about what matters to you.

    Tweets not doing it for you?

    Hover over the profile pic and click the Following button to unfollow any account you're not interested in anymore.

    Say a lot with a little

    When you see a Tweet you love, tap the heart — it lets the person who wrote it know that you appreciate them.

    Spread the word

    The fastest way to share someone else’s Tweet with your followers is with a Retweet. Tap the icon to send it instantly.

    Join the conversation

    Add your thoughts about any Tweet with a Reply. Find a topic you’re passionate about and jump right in.

    Learn the latest

    Get instant insight into what people are talking about right now.

    Get more of what you love

    Follow more accounts to get instant updates about topics you care about.

    Find out what's happening

    See the latest conversations about any topic instantly.

    Never miss a Moment

    Catch up instantly on the best stories happening as they unfold.

    Previous Tweet
    Martin Siegert ‏@mjsiegert 3 Jun 2015

    10 yrs since Stern Review. Climate change & our knowledge of it have changed since, as has technology and economic assessment #LSEStern

    • Retweet 1
    • Alyssa Gilbert
    10:46 am - 3 Jun 2015
    0 replies . 1 retweet 0 likes

    Loading seems to be taking a while.

    Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.

      Promoted Tweet

      false

      • © 2016 Twitter
      • About
      • Help
      • Terms
      • Privacy
      • Cookies
      • Ads info