Web cookies (also called HTTP cookies, browser cookies, or simply cookies) are small pieces of data that websites store on your device (computer, phone, etc.) through your web browser. They are used to remember information about you and your interactions with the site.
Session Management:
Keeping you logged in
Remembering items in a shopping cart
Saving language or theme preferences
Personalization:
Tailoring content or ads based on your previous activity
Tracking & Analytics:
Monitoring browsing behavior for analytics or marketing purposes
Session Cookies:
Temporary; deleted when you close your browser
Used for things like keeping you logged in during a single session
Persistent Cookies:
Stored on your device until they expire or are manually deleted
Used for remembering login credentials, settings, etc.
First-Party Cookies:
Set by the website you're visiting directly
Third-Party Cookies:
Set by other domains (usually advertisers) embedded in the website
Commonly used for tracking across multiple sites
Authentication cookies are a special type of web cookie used to identify and verify a user after they log in to a website or web application.
Once you log in to a site, the server creates an authentication cookie and sends it to your browser. This cookie:
Proves to the website that you're logged in
Prevents you from having to log in again on every page you visit
Can persist across sessions if you select "Remember me"
Typically, it contains:
A unique session ID (not your actual password)
Optional metadata (e.g., expiration time, security flags)
Analytics cookies are cookies used to collect data about how visitors interact with a website. Their primary purpose is to help website owners understand and improve user experience by analyzing things like:
How users navigate the site
Which pages are most/least visited
How long users stay on each page
What device, browser, or location the user is from
Some examples of data analytics cookies may collect:
Page views and time spent on pages
Click paths (how users move from page to page)
Bounce rate (users who leave without interacting)
User demographics (location, language, device)
Referring websites (how users arrived at the site)
Here’s how you can disable cookies in common browsers:
Open Chrome and click the three vertical dots in the top-right corner.
Go to Settings > Privacy and security > Cookies and other site data.
Choose your preferred option:
Block all cookies (not recommended, can break most websites).
Block third-party cookies (can block ads and tracking cookies).
Open Firefox and click the three horizontal lines in the top-right corner.
Go to Settings > Privacy & Security.
Under the Enhanced Tracking Protection section, choose Strict to block most cookies or Custom to manually choose which cookies to block.
Open Safari and click Safari in the top-left corner of the screen.
Go to Preferences > Privacy.
Check Block all cookies to stop all cookies, or select options to block third-party cookies.
Open Edge and click the three horizontal dots in the top-right corner.
Go to Settings > Privacy, search, and services > Cookies and site permissions.
Select your cookie settings from there, including blocking all cookies or blocking third-party cookies.
For Safari on iOS: Go to Settings > Safari > Privacy & Security > Block All Cookies.
For Chrome on Android: Open the app, tap the three dots, go to Settings > Privacy and security > Cookies.
Disabling cookies can make your online experience more difficult. Some websites may not load properly, or you may be logged out frequently. Also, certain features may not work as expected.
UConn is deeply committed to climate action. The University is consistently ranked among the most sustainable colleges and universities in the world, reflecting decades of dedication to climate research, campus sustainability, and student engagement on the global stage. From interdisciplinary science informing real-world policy to hands-on experiential learning opportunities that put students at the center of international climate negotiations, UConn remains cognizant of the urgent responsibility for climate action.

UConn has been globally recognized as a leader in sustainability for many years. For the last five years in a row, UConn has been named as one of the top 10 most sustainable universities globally by the UI GreenMetric World University Rankings. In 2025, the University placed 8th out of more than 1,700 colleges and universities across 105 countries with only one other US university placing in the top 10. UConn has been near the top of the list for other rankings and surveys, including achieving Gold in the Sustainability Tracking, Assessment, & Rating System (STARS) reporting framework from the Association for the Advancement of Sustainability in Higher Education (AASHE).

The Connecticut Institute for Resilience & Climate Adaptation (CIRCA) is a multi-disciplinary research center bringing together experts in the fields of natural sciences, engineering, economics, political science, finance, and law to create practical solutions to climate change challenges. CIRCA collaborates with local, regional, and national partners to translate research into real-world action that protects lives, property, and natural environments.

Annually, the UN Conference of the Parties (COP) hosts its official Climate Change Conference in a different host city around the world, bringing together diplomats, business executives, environmental activists, NGOs, government and university leaders, and other delegates to discuss global progress towards climate change solutions. The UConn@COP Fellowship Program, which began in 2015 (COP21), sends a group of students and faculty to the conference each year; participants have spoken on panels, networked with global leaders and activists, attended film screenings, and connected with like-minded passionate students from other colleges and universities. The UConn@COP program supports the development of future leaders in climate science and policy, encouraging student engagement and cultural immersion in a unique experiential learning opportunity.