Við þurfum að hugsa um umhverfið.

We need to think about the environment.

Breakdown of Við þurfum að hugsa um umhverfið.

• við: we
• þurfa: to need
• um: about
• hugsa: to think
• umhverfið: environment

Questions & Answers about Við þurfum að hugsa um umhverfið.

What does Við mean and when do you use it?

Við is the Icelandic subject pronoun for we (1st person plural, nominative case). It’s used just like English we. In everyday speech, Icelandic often drops the subject if it’s clear from the verb ending, so you may also hear Þurfum að hugsa um umhverfið without við.

Why is the verb form þurfum and not something like þarfa?

The verb is að þurfa (to need / have to). It conjugates for person and number:

• ég þarf (I need)
• þú þarft (you need)
• hann/hún/það þarf (he/she/it needs)
• við þurfum (we need) So þurfum matches við.

What’s the role of að in þurfum að hugsa?

að is the standard infinitive marker (often like English to) when one verb governs another in the infinitive:

• Við þurfum að hugsa = we need to think You’ll see að + infinitive after many verbs (want, need, plan, try, etc.).

Why is it hugsa and not hugsum?

Because after þurfum you use the infinitive: að hugsa (to think).
hugsum would be the present-tense we form (“we think”), which would make a different structure.

Is hugsa um a fixed expression?

Yes—hugsa um is a very common verb + preposition combination meaning think about, and often also care about / look after depending on context. Here it’s the “think about / be mindful of” sense.

Why is there an um before umhverfið?

um is the preposition used with hugsa to mean about. Icelandic frequently uses specific prepositions with specific verbs, and they don’t always match English one-to-one. With hugsa, the normal pattern is:

• hugsa um + [object] = think about + [object]

What case does um take, and how does it affect umhverfið?

In this meaning, um takes the accusative. So the noun phrase after it is in accusative case.
umhverfi is neuter, and in the definite singular the form umhverfið works as both nominative and accusative, so you don’t see a spelling change here—but grammatically it’s still accusative after um.

What does the -ið on umhverfið mean?

The ending -ið is the definite article attached to the noun (Icelandic usually puts “the” on the end):

• umhverfi = environment (an environment / environment in general)
• umhverfið = the environment
  So the sentence is specifically about the environment.

Could I also say Við þurfum að hugsa um umhverfi without the definite ending?

Yes, but it changes the nuance. umhverfi (indefinite) is more like “environment” in a general/abstract sense, while umhverfið (definite) points to the environment as a shared, known topic (often the planet’s environment).

How would negation work in this sentence?

You place ekki after the finite verb:

• Við þurfum ekki að hugsa um umhverfið. = We don’t need to think about the environment.
  If you mean “We must not…” (prohibition), Icelandic typically expresses that differently depending on context.

How is this pronounced, especially þ and ð?

• þ is like English th in thing (voiceless).
• ð is like English th in this (voiced), though it can be weaker or disappear in some positions.
  Also note:
• Við is often pronounced close to vith (with a soft final ð-sound).
• þurfum starts with the th sound.
• Stress is generally on the first syllable: ÞUR-fum, HUG-sa, UM-hverf-ið.

Can the word order change, for example in a question?

Yes. For a yes/no question, Icelandic usually inverts the verb and subject:

• Þurfum við að hugsa um umhverfið? = Do we need to think about the environment?
  You can also front adverbs/time phrases without changing the core structure:
• Núna þurfum við að hugsa um umhverfið. = Now we need to think about the environment.